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Home Jobs Nairobi IT Senior Manager, Infrastructure & Security Systems

IT Senior Manager, Infrastructure & Security Systems

Nathan Digital  · Consulting

Full Time Nairobi
Nairobi
KSh 150,000 - KSh 200,000/month
Deadline: 3 September 2026
Posted June 4, 2026

We are seeking a highly motivated and skilled professional to join our team in this dynamic role, where you will play a pivotal part in driving our organization’s success. The ideal candidate will possess a strong background in [specific field or industry, if mentioned] and demonstrate expertise in [key skill or responsibility, if mentioned]. Responsibilities include [list key responsibilities, if mentioned], with a focus on delivering measurable results and fostering innovation. Proficiency in [specific tools, software, or methodologies, if mentioned] is required, along with exceptional problem-solving abilities and a commitment to continuous improvement. This position offers an opportunity to collaborate with cross-functional teams and contribute to strategic initiatives that shape the future of our company.

A highly skilled and visionary Senior Manager / Head of IT Infrastructure & Security Systems is required to oversee and drive the organization’s global IT infrastructure, cybersecurity protocols, network architecture, cloud deployments, and enterprise systems across key markets, including the UAE, Kenya, and South Africa.

The successful applicant will be tasked with maintaining optimal performance, robust security, seamless scalability, and streamlined operational efficiency for all IT systems, while spearheading digital transformation initiatives, enforcing governance and compliance standards, and implementing IT best practices across diverse global regions.

Oversee a comprehensive range of critical duties, including managing daily operations, ensuring adherence to company policies, and fostering a productive work environment. Lead and mentor teams to achieve performance targets while maintaining high standards of quality and efficiency. Develop and implement strategic initiatives to enhance operational effectiveness and drive continuous improvement. Coordinate cross-functional projects, aligning resources and timelines to meet organizational objectives. Monitor key performance indicators to assess progress and identify areas for enhancement. Collaborate with senior leadership to formulate and execute business strategies that support long-term growth and sustainability. Ensure compliance with industry regulations and best practices to mitigate risks and uphold organizational integrity. Serve as a primary point of contact for stakeholders, addressing concerns and facilitating clear, consistent communication across all levels.

We specialize in the oversight and optimization of IT infrastructure, ensuring seamless operations, robust security, and scalable performance across all systems. This role requires expertise in configuring, monitoring, and maintaining network hardware, servers, cloud platforms, and virtualized environments to uphold high availability and minimize downtime. Key responsibilities include managing data centers, implementing disaster recovery protocols, and coordinating with cross-functional teams to align IT resources with organizational objectives. Strong problem-solving skills, proficiency in automation tools, and a deep understanding of ITIL frameworks are essential for success in this position.

Spearhead the administration and coordination of IT infrastructure operations spanning various international offices and locations.

Responsibilities include managing servers, storage solutions, virtualization technologies, network infrastructure, cloud platforms, data center operations, and enterprise-level systems.

Deliver consistently high availability, optimized performance, seamless scalability, and robust reliability across all IT infrastructure components.

Create and execute IT infrastructure strategies that are fully integrated with organizational goals and objectives.

Oversee the entire lifecycle of IT assets, including the acquisition of hardware, management of software licenses, and maintenance of vendor partnerships.

Standardize IT processes, policies, and infrastructure to ensure consistency across all regional offices.

Ensures the protection of digital assets, systems, and networks through the implementation of robust security measures, proactive risk assessment, and continuous monitoring of potential threats. Develops and enforces security policies, conducts regular audits, and provides training to staff on best practices in information security. Identifies vulnerabilities, responds to incidents, and mitigates risks to safeguard sensitive data against unauthorized access, breaches, or cyberattacks. Collaborates with IT teams to integrate security protocols into system designs and infrastructure, ensuring compliance with industry standards and regulatory requirements.

Formulate and execute comprehensive cybersecurity strategies, frameworks, and policies on a global scale.

Safeguard the organization’s systems, networks, endpoints, applications, and data against cyber threats to maintain security and operational integrity.

Oversee and maintain firewall security, endpoint protection systems, VPN infrastructure, SIEM tools, intrusion detection and prevention systems, as well as access control mechanisms.

Perform comprehensive security audits, conduct thorough vulnerability assessments, execute penetration testing, and implement risk mitigation strategies to safeguard organizational assets.

Uphold adherence to established security standards, data protection regulations, and internal governance policies to mitigate operational risks and maintain organizational integrity.

Oversee the development and implementation of incident response protocols, disaster recovery strategies, and business continuity plans to ensure organizational resilience.

The role involves overseeing cloud infrastructure and system administration, ensuring optimal performance, security, and reliability of IT environments. Key responsibilities include managing cloud services, configuring and maintaining servers, and implementing automation to streamline operations. The position requires proficiency in cloud platforms such as AWS, Azure, or Google Cloud, along with strong scripting and troubleshooting skills. Experience with virtualization, networking, and DevOps practices is highly valued. Additionally, the ability to monitor system health, resolve incidents, and collaborate with cross-functional teams is essential. A solid understanding of cybersecurity principles and compliance standards is also necessary to safeguard organizational assets.

Oversee cloud infrastructure environments including Microsoft Azure, Amazon Web Services (AWS), and Google Cloud Platform (GCP).

Responsibilities include managing Microsoft 365 administration, Active Directory, email security protocols, backup systems, and enterprise applications to ensure seamless operational efficiency.

Track system performance metrics and execute preventative maintenance measures alongside optimization strategies to enhance efficiency and reliability.

Facilitate reliable and protected remote access solutions to enable seamless connectivity for teams operating across diverse global locations.

We seek a dynamic individual to oversee leadership and team management responsibilities, ensuring cohesive collaboration and high-performance outcomes. The ideal candidate will guide, mentor, and inspire teams to achieve organizational goals while fostering a culture of accountability and continuous improvement. Strong interpersonal skills, strategic thinking, and the ability to motivate cross-functional teams are essential. Additionally, the role requires experience in conflict resolution, performance evaluation, and driving operational excellence through clear communication and decisive action.

Oversee and guide regional IT teams and external service providers in the UAE, Kenya, and South Africa, fostering professional growth and operational excellence.

Spearhead performance management initiatives, enhance technical proficiency, and cultivate team capabilities to foster growth and excellence.

Collaborate with organizational leaders to assess operational needs and deliver tailored technology solutions.

Oversee IT financial planning, develop forecasts, and implement strategies to optimize expenditures.

Orchestrating governance, ensuring strict compliance adherence, and crafting strategic initiatives are central to this role’s core responsibilities. The position demands a robust understanding of regulatory frameworks, meticulous attention to detail, and the ability to translate complex policies into actionable strategies. Candidates must possess a proven track record in compliance management, risk mitigation, and cross-functional leadership to drive organizational alignment with legal and ethical standards. Proficiency in strategic planning, policy development, and stakeholder engagement is essential for effectively integrating governance principles into operational workflows while fostering a culture of accountability and transparency.

Develop comprehensive IT governance frameworks, standard operating procedures, security policies, and operational standards to ensure alignment with organizational objectives and regulatory requirements.

You are responsible for maintaining adherence to ISO standards, cybersecurity frameworks, and all applicable regulatory requirements to safeguard organizational integrity and operational excellence.

Lead efforts to modernize IT infrastructure and spearhead digital transformation initiatives.

Compile comprehensive IT reports, conduct thorough risk assessments, and deliver strategic recommendations tailored for senior management to support informed decision-making processes.

Requirements

A bachelor’s degree in Information Technology, Computer Science, Cybersecurity, or a closely related field is required.

A Master’s Degree or pertinent certifications would be highly beneficial.

A decade or more of hands-on experience in IT infrastructure, systems administration, and cybersecurity is essential.

Accumulated at least five years of experience in leadership or management positions, overseeing regional or global operations.

Proven track record in overseeing multi-country IT infrastructure and operations, with demonstrated expertise in global technology management.

Hands-on expertise in:

Design, implement, and maintain resilient network infrastructure systems while ensuring robust security protocols to safeguard organizational assets and data integrity. Oversee the configuration, monitoring, and optimization of network hardware and software, including routers, switches, firewalls, and intrusion detection/prevention systems. Analyze network performance, troubleshoot complex issues, and resolve connectivity or security-related incidents promptly. Develop and enforce security policies, conduct regular vulnerability assessments, and ensure compliance with industry standards and regulatory requirements. Collaborate with cross-functional teams to integrate secure network solutions and support business continuity initiatives. Stay current with emerging technologies, threats, and best practices to proactively mitigate risks and enhance system reliability.

We seek professionals with expertise in leading cloud platforms such as Azure, AWS, and GCP to drive innovation and scalability within our organization. Proficiency in these platforms is essential for designing, deploying, and optimizing cloud-based solutions that align with business objectives. Candidates must demonstrate hands-on experience in configuring cloud environments, managing infrastructure as code, and implementing robust security measures. Additionally, the role requires a strong understanding of cost optimization strategies and performance monitoring to ensure efficient resource utilization. Familiarity with serverless architectures, containerization, and DevOps practices will be highly advantageous in delivering scalable and resilient cloud solutions.

Microsoft 365 and Active Directory professionals are responsible for designing, implementing, and managing enterprise-level identity and access management solutions. They ensure seamless integration of Microsoft 365 services with on-premises Active Directory environments while maintaining security, compliance, and operational efficiency. Key responsibilities include configuring hybrid identity solutions, administering user and group policies, monitoring directory synchronization, and troubleshooting authentication issues. Candidates must possess expertise in Microsoft 365 administration, Azure AD, and Active Directory Domain Services, along with strong problem-solving skills and proficiency in PowerShell scripting. A bachelor’s degree in computer science or a related field, along with relevant certifications such as Microsoft Certified: Identity and Access Administrator Associate, is preferred.

We optimize organizational security by implementing and maintaining robust firewall systems, secure virtual private networks (VPNs), advanced endpoint protection solutions, and comprehensive Security Information and Event Management (SIEM) platforms. This role requires expertise in configuring, monitoring, and troubleshooting these critical cybersecurity technologies to safeguard against evolving threats. Responsibilities include deploying security policies, analyzing logs for anomalies, and ensuring compliance with industry standards and regulatory requirements. Candidates should possess strong analytical skills, hands-on technical proficiency, and a commitment to continuous security enhancement.

Leverage advanced virtualization technologies to design, implement, and maintain scalable, secure, and efficient virtual environments that support organizational infrastructure needs. Collaborate with cross-functional teams to assess requirements, deploy virtual machines, and optimize resource allocation while ensuring high availability and performance. Troubleshoot complex issues, monitor virtualized systems for capacity and security, and recommend enhancements to improve efficiency and reliability. Stay current with industry trends, emerging tools, and best practices in virtualization to enhance system performance and align with evolving business objectives.

Design and implement robust backup and disaster recovery strategies to safeguard critical data and ensure operational continuity in the event of system failures or unforeseen disruptions. Configure and maintain automated backup schedules, verify data integrity through periodic testing, and optimize storage solutions for efficiency and scalability. Develop comprehensive disaster recovery plans, conduct risk assessments, and lead incident response efforts to minimize downtime and mitigate potential losses. Stay informed about emerging threats, industry best practices, and technological advancements to continuously enhance resilience and recovery capabilities.

Proficiency in cybersecurity governance, audit execution, and adherence to compliance frameworks is required.

Demonstrates an in-depth understanding of ITIL, ISO 27001 standards, and cybersecurity principles, ensuring alignment with industry best practices.

Proven expertise in leadership, stakeholder engagement, and strategic problem resolution is essential.

Proven capability to oversee projects and prioritize tasks efficiently across diverse geographical regions and varying time zones.

Seeking individuals with specialized credentials that enhance professional qualifications, such as industry-recognized certifications or advanced training programs. These certifications should align with the role’s technical or operational demands and demonstrate a commitment to ongoing professional development. Candidates holding certifications relevant to the position will receive priority consideration, as they bring validated expertise and adherence to established standards.

A Certified Information Systems Security Professional (CISSP) is required to design, implement, and manage a comprehensive security program, ensuring the protection of an organization’s critical assets. This role demands expertise in developing and enforcing security policies, conducting risk assessments, and overseeing compliance with industry standards such as ISO 27001, NIST, and PCI DSS. The CISSP is responsible for evaluating security architectures, identifying vulnerabilities, and implementing corrective measures to mitigate threats. Additionally, they will collaborate with cross-functional teams to raise security awareness, provide training on best practices, and lead incident response efforts in the event of breaches. Strong leadership, analytical skills, and a deep understanding of cybersecurity frameworks are essential for success in this position.

CISM

A Cisco Certified Network Associate (CCNA) or Cisco Certified Network Professional (CCNP) certification is required for this role. Candidates must possess a minimum of three years of hands-on experience in network administration, troubleshooting, and support. Proficiency in routing and switching technologies, including TCP/IP, OSPF, IGRP, and BGP, is essential. Responsibilities include designing, implementing, and maintaining network infrastructure, ensuring high availability and security. The ideal candidate will be adept at configuring and managing Cisco routers, switches, and firewalls while collaborating with cross-functional teams to optimize network performance. Strong analytical and problem-solving skills are necessary to diagnose and resolve complex network issues efficiently.

A Microsoft Certified Solutions Expert (GCSE) is a professional who has demonstrated expertise in designing and implementing innovative solutions across multiple Microsoft technologies. This certification validates an individual’s advanced skills in cloud platforms, data management, and enterprise solutions, positioning them as a trusted authority in Microsoft-based infrastructure. Candidates must meet stringent prerequisites, including prior certifications such as the Microsoft Certified Solutions Associate (MCSA), and successfully pass rigorous exams tailored to specific solution areas. Upon earning the GCSE, professionals gain access to exclusive benefits, such as invitations to Microsoft events, access to technical communities, and opportunities for career advancement in high-demand IT roles. The certification emphasizes continuous learning, as holders are required to stay current through recertification exams to ensure their expertise remains aligned with evolving industry standards.

AWS or Azure certifications demonstrate your proficiency in cloud computing platforms, validating your ability to design, deploy, and manage solutions on these leading infrastructures. These credentials confirm your expertise in leveraging cloud services, enhancing operational efficiency, and ensuring robust security measures. Holding these certifications indicates a commitment to continuous learning and adaptation in a rapidly evolving technological landscape. Employers value these qualifications as they signify a candidate’s proven skills in optimizing cloud environments for scalability, cost-effectiveness, and high availability.

Possesses an ITIL certification, demonstrating proficiency in IT service management best practices.

Demonstrates proficiency in strategic planning, analytical thinking, and problem-solving, with a proven ability to drive innovation and adapt to dynamic environments. Exhibits strong leadership qualities, including effective communication, team collaboration, and decision-making under pressure. Possesses in-depth knowledge of industry best practices, regulatory compliance, and operational efficiency to ensure sustainable growth. Requires exceptional organizational skills, attention to detail, and a commitment to continuous learning and professional development. Thrives in fast-paced settings while maintaining a customer-centric approach and fostering a culture of accountability and excellence.

Strategically analyzing business challenges and opportunities is crucial to drive informed decision-making and sustainable growth. A deep understanding of market dynamics, competitive landscapes, and internal capabilities is required to identify actionable insights. This role demands the ability to evaluate long-term objectives, assess risks, and align resources effectively to achieve organizational goals. Key responsibilities include developing strategic plans, fostering cross-functional collaboration, and monitoring industry trends to ensure competitive advantage. Strong analytical skills, a results-oriented mindset, and the capacity to translate complex data into clear, executable strategies are essential for success in this position.

Seasoned professionals with a proven track record in guiding teams and driving organizational success are invited to apply for a leadership and team management role. Candidates must possess exceptional interpersonal skills, strong decision-making abilities, and the capacity to inspire and motivate diverse groups. Responsibilities include setting strategic direction, fostering collaboration, and ensuring alignment with company goals while developing team members’ potential. Ideal applicants will demonstrate experience in conflict resolution, performance management, and cultivating a high-performance culture. A commitment to mentoring, clear communication, and accountability is essential for success in this position.

We specialize in identifying, evaluating, and mitigating potential threats to protect organizational assets and ensure compliance with industry regulations. This role requires a deep understanding of risk assessment methodologies, threat modeling, and security frameworks such as NIST, ISO 27001, or CIS Controls. Responsibilities include conducting risk analyses, developing mitigation strategies, implementing security controls, and maintaining up-to-date documentation of security measures. Collaboration with cross-functional teams is essential to align security policies with business objectives while ensuring adherence to legal and regulatory requirements. Strong analytical, problem-solving, and communication skills are necessary to effectively communicate risks and security measures to stakeholders at all levels.

Develop and enhance strategies to plan, optimize, and sustain robust infrastructure systems. Evaluate current frameworks to identify inefficiencies and propose data-driven improvements. Collaborate with cross-functional teams to align infrastructure initiatives with organizational goals. Ensure scalability, reliability, and cost-effectiveness in all infrastructure solutions. Monitor performance metrics to validate effectiveness and drive continuous enhancement.

We seek a skilled professional to oversee vendor and stakeholder relations, ensuring seamless collaboration and alignment with organizational objectives. This role involves negotiating contracts, monitoring performance, and resolving disputes to foster strong partnerships. Strong communication and interpersonal skills are essential, along with the ability to analyze data and make strategic decisions. Experience in managing diverse vendors and stakeholders in a dynamic environment is required, as is proficiency in relevant tools and systems. The successful candidate will drive value through effective relationship management and contribute to the overall success of the team.

Business continuity planning involves developing strategies to sustain operations during disruptions, ensuring minimal downtime and data loss. This role requires expertise in risk assessment, crisis management, and recovery procedures to maintain organizational resilience. Key responsibilities include conducting thorough risk analyses, designing robust continuity frameworks, and regularly testing and updating plans to align with evolving threats. Collaboration with cross-functional teams is essential to integrate continuity measures across all business processes. The ideal candidate should possess strong analytical skills, a proactive approach to problem-solving, and the ability to communicate effectively with stakeholders at all levels.

Experts in problem-solving and decision-making utilize analytical reasoning to evaluate complex situations, identify key issues, and develop effective solutions. They assess risks, weigh alternatives, and implement strategies to address challenges while ensuring alignment with organizational objectives. Strong decision-making skills are essential to balance short-term needs with long-term goals, fostering sustainable outcomes. These professionals leverage data-driven insights and critical thinking to navigate uncertainty and drive informed choices.

The role involves overseeing project execution from initiation to completion, ensuring adherence to timelines, budgets, and quality standards. Key responsibilities include coordinating cross-functional teams, managing stakeholder communications, and mitigating risks to deliver projects successfully. Candidates must demonstrate strong organizational skills, proficiency in project management tools, and the ability to lead teams under tight deadlines. A proven track record in managing projects of varying complexity, along with excellent problem-solving and communication abilities, is essential for this position.

Qualifications

BA/BSc/HND , MBA/MSc/MA

Experience Required

10 years

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