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Home Jobs Nairobi Senior IT Infrastructure & Security Systems Manager

Senior IT Infrastructure & Security Systems Manager

Nathan Digital  · Consulting

Full Time Nairobi
Nairobi
KSh 150,000 - KSh 200,000/month
Deadline: 3 September 2026
Posted June 5, 2026

We are seeking a dynamic professional to fill this pivotal position within our organization. The successful candidate will be responsible for overseeing key operations, managing critical projects, and ensuring seamless collaboration across departments. This role demands a blend of strategic thinking, strong communication skills, and the ability to drive results in a fast-paced environment. The ideal applicant must possess [X years] of relevant experience, proficiency in [specific tools/software], and a proven track record of delivering measurable outcomes in similar capacities. Additionally, the position requires expertise in [specific skill or industry knowledge], along with exceptional problem-solving and leadership capabilities. Day-to-day duties will include [specific responsibility], [specific responsibility], and [specific responsibility], while also contributing to long-term organizational goals through innovative solutions and process improvements.

We are looking for a seasoned and strategic Senior Manager / Head of IT Infrastructure & Security Systems to oversee and direct the organization’s global IT infrastructure, cybersecurity measures, networks, cloud environments, and enterprise systems across our operations in the UAE, Kenya, and South Africa.

The successful applicant will oversee the continuous availability, robust security, scalable architecture, and optimized performance of all IT infrastructure, simultaneously spearheading digital transformation initiatives, enforcing governance and compliance standards, and implementing industry-leading IT best practices across diverse global regions.

Oversee and execute essential duties to ensure operational excellence, including strategic planning, team leadership, and performance optimization. Provide guidance and direction to staff, fostering a productive and collaborative work environment. Develop and implement policies, procedures, and best practices to enhance efficiency and compliance with organizational goals. Monitor departmental performance metrics, analyze trends, and recommend improvements to drive continuous growth. Collaborate with cross-functional teams to align initiatives with broader company objectives, ensuring seamless integration of workflows. Maintain high standards of quality, accountability, and professionalism in all deliverables.

The role involves overseeing and maintaining the organization’s IT infrastructure, ensuring seamless operation, reliability, and security of systems and networks. Responsibilities include managing servers, storage, and virtualization platforms, monitoring performance, and troubleshooting issues to minimize downtime. The position requires expertise in cloud services, network administration, and cybersecurity best practices to safeguard data and optimize IT resources. Additionally, the role involves collaborating with cross-functional teams to implement infrastructure upgrades, enforce compliance standards, and support business continuity initiatives. A strong background in IT infrastructure design, deployment, and maintenance is essential, along with proficiency in relevant tools and technologies.

Oversee and administer the global IT infrastructure operations spanning various countries and office locations.

Responsibilities include managing servers, storage solutions, virtualization technologies, network infrastructure, cloud platforms, data center operations, and enterprise systems to ensure optimal performance and reliability.

Deliver uninterrupted operational excellence by maintaining peak performance, scalability, and reliability across all IT infrastructure systems.

Design and execute comprehensive IT infrastructure strategies that are fully aligned with organizational goals and objectives.

Oversee the entire lifecycle of IT assets, from procurement to disposal, while ensuring compliance with software licensing agreements and maintaining strong vendor partnerships.

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

We are seeking a highly skilled professional to oversee and strengthen our cybersecurity and information security frameworks. The ideal candidate will implement robust security measures, monitor potential threats, and ensure compliance with industry standards and regulations. Responsibilities include conducting risk assessments, developing incident response plans, and managing security protocols across all systems and networks. A strong understanding of threat detection, encryption technologies, and security best practices is essential, along with experience in vulnerability assessments and penetration testing. Proficiency in security tools and frameworks, such as SIEM, IDS/IPS, and NIST, is required, along with excellent analytical and problem-solving abilities. The role demands a proactive approach to identifying vulnerabilities, mitigating risks, and maintaining a secure operational environment.

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

Safeguard corporate systems, networks, endpoints, applications, and sensitive data from potential cybersecurity threats and vulnerabilities.

Oversee firewall security, endpoint protection mechanisms, VPN configurations, SIEM tool administration, intrusion detection and prevention systems, as well as access control frameworks to ensure robust cybersecurity infrastructure.

Perform comprehensive security audits, assess vulnerabilities, execute penetration tests, and implement risk mitigation strategies to safeguard organizational assets.

Maintain adherence to security standards, data protection regulations, and internal governance policies to safeguard organizational integrity and mitigate risk exposure.

Direct critical incident response efforts, develop and execute disaster recovery strategies, and establish comprehensive business continuity plans to ensure operational resilience and minimize downtime.

Responsible for overseeing and maintaining cloud infrastructure and on-premises systems, ensuring optimal performance, reliability, and security. Designs, implements, and manages cloud solutions, including virtual machines, storage, and networking components, while adhering to best practices for scalability and cost-efficiency. Monitors system health, troubleshoots issues, and performs proactive maintenance to minimize downtime. Develops and enforces security policies, access controls, and compliance measures to protect sensitive data and infrastructure. Collaborates with cross-functional teams to deploy, integrate, and optimize systems, providing technical expertise and support as needed. Requires expertise in cloud platforms (e.g., AWS, Azure, or GCP), scripting languages (e.g., Python, Bash), and system administration tools. Strong problem-solving skills and the ability to work under pressure are essential. Experience with monitoring tools (e.g., Nagios, Prometheus) and containerization (e.g., Docker, Kubernetes) is a plus.

Oversee cloud infrastructure environments, including Microsoft Azure, AWS, and Google Cloud.

Responsibilities include managing Microsoft 365 administration, Active Directory configurations, email security protocols, backup systems, and enterprise-level applications to ensure seamless operational performance and data integrity.

Monitor system performance metrics and spearhead proactive maintenance and optimization strategies to enhance operational efficiency and reliability.

Guarantee protected remote connectivity and seamless access for teams operating worldwide.

Seasoned professionals sought to oversee teams and drive organizational success through effective leadership and collaborative management strategies. Responsibilities include guiding team members, fostering a positive work environment, and ensuring alignment with strategic goals. Candidates must demonstrate strong interpersonal skills, decision-making abilities, and experience in team development. The ideal applicant will excel in communication, conflict resolution, and performance management to cultivate high-performing teams.

Demonstrate leadership and mentorship by guiding regional IT teams and external service providers across the UAE, Kenya, and South Africa.

Enhance performance management systems, foster technical skill growth, and strengthen overall team capabilities to drive organizational success.

Collaborate with business leaders to assess operational needs and propose suitable technological solutions.

Oversee financial planning for IT expenditures, including budget management, financial forecasting, and cost-efficiency strategies.

Orchestrating robust governance frameworks, ensuring strict adherence to compliance standards, and shaping forward-thinking strategies are the core responsibilities of this role. The position demands meticulous attention to regulatory requirements, proactive risk mitigation, and the development of policies that align with organizational objectives. Additionally, the role involves monitoring industry trends, evaluating emerging risks, and fostering a culture of ethical compliance across all operational levels. Strong analytical skills, strategic foresight, and the ability to translate complex regulations into actionable frameworks are essential for success in this position.

Develop and implement IT governance frameworks, standard operating procedures, security policies, and operational standards to ensure compliance, efficiency, and risk mitigation across the organization.

Ensure adherence to ISO standards, cybersecurity frameworks, and applicable regulatory mandates while maintaining robust operational integrity.

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

Compile comprehensive IT reports, conduct thorough risk evaluations, and develop data-driven strategic recommendations for presentation to senior leadership.

Requirements

A Bachelor’s Degree in Information Technology, Computer Science, Cybersecurity, or a closely related discipline is required.

A Master’s Degree or equivalent professional certifications will be highly beneficial.

With a minimum of ten years of hands-on experience in IT infrastructure management, systems administration, and cybersecurity, the ideal candidate will bring a robust technical background to the role.

With at least five years of experience in a leadership or managerial capacity, overseeing regional or global operations, candidates should demonstrate proven expertise in driving team performance and operational excellence.

Proven track record in overseeing cross-border IT infrastructure and operations.

With a proven track record in practical application, you possess specialized knowledge and skills in the following areas:

Design, implement, and maintain resilient network infrastructure systems while ensuring robust security measures are in place to safeguard organizational assets. Oversee the configuration, monitoring, and optimization of network hardware, software, and protocols to guarantee high availability, performance, and data integrity. Collaborate with cross-functional teams to assess security vulnerabilities, deploy protective solutions, and enforce compliance with industry standards and regulatory requirements. Additionally, troubleshoot complex network issues, conduct risk assessments, and develop proactive strategies to mitigate potential threats. Strong analytical skills, proficiency in network security tools, and a deep understanding of cybersecurity best practices are essential for success in this role.

Highly proficient with major cloud platforms, including Azure, AWS, and GCP, ensuring robust infrastructure management and scalable solutions.

Microsoft 365 and Active Directory expertise is essential for this role, requiring hands-on experience in configuring, managing, and troubleshooting these systems. Candidates must demonstrate proficiency in deploying Microsoft 365 applications, including Exchange Online, SharePoint, and Teams, while ensuring seamless integration with on-premises Active Directory environments. Responsibilities include administering user accounts, permissions, and group policies, as well as maintaining synchronization between hybrid cloud and on-premises infrastructures. Strong problem-solving skills and the ability to collaborate across teams are critical, along with a deep understanding of security best practices, compliance standards, and identity management solutions. Familiarity with PowerShell scripting, Azure AD, and conditional access policies is highly desirable.

Responsible for deploying and managing firewalls, virtual private networks (VPNs), endpoint security solutions, and Security Information and Event Management (SIEM) tools to safeguard organizational infrastructure against cyber threats.

Virtualization technologies encompass a range of solutions designed to optimize resource utilization, enhance system efficiency, and improve scalability across IT infrastructures. These technologies enable the creation of virtual instances—such as servers, desktops, or networks—on a single physical machine, allowing multiple operating systems or applications to run simultaneously without interference. Professionals in this field must possess expertise in platforms like VMware, Hyper-V, KVM, or Docker, alongside a strong foundation in networking, storage management, and cloud integration. Responsibilities often include deploying, configuring, and maintaining virtual environments, ensuring high availability, security, and performance while troubleshooting issues in complex, dynamic systems. A deep understanding of virtualization concepts, such as hypervisors, containers, and resource allocation, is essential for delivering reliable and scalable solutions.

Develop and implement robust backup and disaster recovery solutions to ensure data integrity, minimize downtime, and safeguard critical business operations. Design, deploy, and maintain comprehensive strategies that include regular data backups, failover systems, and recovery protocols tailored to organizational needs. Collaborate with IT teams to assess risks, identify vulnerabilities, and recommend improvements to enhance resilience against potential disruptions. Monitor backup processes, verify data integrity, and conduct periodic disaster recovery drills to validate system readiness. Ensure compliance with industry standards and regulatory requirements while optimizing storage efficiency and recovery time objectives.

Proven expertise in cybersecurity governance, conducting audits, and implementing compliance frameworks is required.

Demonstrates an extensive understanding of ITIL frameworks, adheres to ISO 27001 standards, and implements leading cybersecurity practices effectively.

Proven ability to lead teams effectively, engage with stakeholders at all levels, and resolve complex issues efficiently.

Proven capability to oversee projects and priorities spanning diverse geographical regions and multiple time zones.

Preferred Certifications: PMP, CAP, or equivalent project management credentials are highly desirable.

Certified Information Systems Security Professional (CISSP) certification is a globally recognized credential that validates expertise in information security. Candidates must possess a minimum of five years of professional experience in two or more of the eight CISSP domains, or four years with a qualifying degree. This certification covers critical areas such as security and risk management, asset security, security architecture and engineering, communication and network security, identity and access management, security assessment and testing, security operations, and software development security. Holders of the CISSP credential demonstrate proficiency in designing, implementing, and managing a best-in-class cybersecurity program.

CISM

The successful candidate must possess either a valid CCNA or CCNP certification. Responsibilities include designing, implementing, and maintaining network infrastructure to ensure optimal performance and security. Additionally, the individual will troubleshoot network issues, configure routers and switches, and collaborate with cross-functional teams to support business objectives. Strong analytical skills, proficiency in network protocols, and the ability to work under pressure are essential.

We seek a Microsoft Certified Solutions Expert (GCSE) with proven expertise in designing and implementing advanced solutions across Microsoft technologies. The ideal candidate will possess in-depth knowledge of cloud platforms, infrastructure management, and enterprise-level systems, ensuring seamless integration and optimal performance. Responsibilities include architecting scalable solutions, troubleshooting complex issues, and providing strategic guidance to enhance organizational IT capabilities. Proficiency in Microsoft 365, Azure, and Windows Server is essential, along with strong problem-solving skills and a commitment to continuous learning in a dynamic technology landscape.

We are seeking professionals who hold AWS or Azure certifications, as these credentials validate expertise in cloud infrastructure, services, and solutions. Candidates must demonstrate proficiency in designing, deploying, and managing scalable, secure, and highly available cloud environments on either platform. Additionally, experience with cloud migration, automation, and cost optimization is highly desirable. The ideal candidate will possess strong problem-solving skills, adaptability to evolving cloud technologies, and the ability to collaborate effectively in cross-functional teams to deliver innovative cloud-based solutions.

ITIL certification demonstrates expertise in IT service management best practices, aligning with globally recognized standards for efficient IT service delivery and operational excellence. This credential validates an individual’s proficiency in key ITIL principles, processes, and methodologies, ensuring optimized service design, transition, and support within organizations. Candidates are typically required to complete formal training through accredited providers and pass rigorous examinations to earn the certification. Professionals holding ITIL certification are equipped to enhance service quality, reduce operational costs, and drive continuous improvement across IT functions. The certification is widely valued across industries, particularly in roles such as IT service managers, consultants, and support specialists.

Demonstrates proficiency in a range of essential skills, including leadership, strategic planning, and effective communication. Exhibits strong analytical abilities to interpret complex data and make informed decisions. Possesses in-depth technical knowledge relevant to the role, along with a commitment to continuous professional development. Shows adaptability in dynamic work environments and excels in collaborative team settings. Maintains a high standard of professionalism and ethical conduct in all interactions.

Demonstrates the capacity to analyze complex situations, anticipate future trends, and develop innovative solutions that align with long-term objectives. Requires evaluating risks and opportunities to inform decision-making while maintaining a forward-looking perspective. Emphasizes the ability to integrate diverse perspectives and data to craft strategic initiatives that drive sustainable growth and competitive advantage.

Seasoned professionals are sought to oversee teams and drive organizational success through effective leadership and people management. Candidates must demonstrate a track record of guiding cross-functional teams, fostering collaboration, and cultivating high-performing environments. Responsibilities include setting strategic direction, mentoring emerging talent, and ensuring alignment with company goals. Ideal applicants will possess strong interpersonal skills, conflict resolution expertise, and the ability to inspire and motivate diverse teams. Proficiency in performance management, coaching methodologies, and operational execution is essential.

We are seeking a skilled professional to oversee and strengthen our cybersecurity risk management protocols. This role involves identifying potential threats, assessing vulnerabilities, and implementing robust security measures to safeguard our digital assets. Key responsibilities include conducting risk assessments, developing mitigation strategies, ensuring compliance with industry regulations, and monitoring security systems for any anomalies. The ideal candidate will possess a strong background in cybersecurity, with expertise in risk analysis, threat intelligence, and incident response. Proficiency in security frameworks such as ISO 27001, NIST, or CIS Controls is essential, along with excellent problem-solving abilities and attention to detail. Experience with security tools, penetration testing, and governance, risk, and compliance (GRC) frameworks is highly desirable.

Infrastructure Planning and Optimization involves strategically designing, evaluating, and enhancing IT infrastructure to ensure alignment with organizational objectives, scalability, and cost-efficiency. This role requires proficiency in assessing current systems, identifying performance bottlenecks, and recommending improvements to bolster reliability, security, and operational agility. Key responsibilities include developing long-term infrastructure roadmaps, overseeing implementation of upgrades, and collaborating with cross-functional teams to integrate solutions that support business growth. Candidates should possess expertise in cloud services, network architecture, and infrastructure automation, along with strong analytical and problem-solving skills to drive continuous optimization and innovation.

We are seeking a skilled professional to oversee vendor and stakeholder relationships, ensuring seamless collaboration and alignment with organizational objectives. The role involves establishing and maintaining strategic partnerships, negotiating contracts, and monitoring performance to drive value and mitigate risks. Strong communication and interpersonal skills are essential, along with the ability to manage multiple priorities in a fast-paced environment. Experience in procurement, supply chain, or a related field is preferred, as is a proven track record of fostering mutually beneficial relationships with external partners. The successful candidate will be responsible for resolving conflicts, addressing concerns, and identifying opportunities for cost savings and process improvements.

Business continuity planning involves developing strategies and procedures to ensure essential functions can continue during and after disruptions. This role requires identifying potential risks, assessing their impact, and creating response plans to minimize downtime. Responsibilities include conducting risk assessments, coordinating with stakeholders, and testing recovery procedures to validate effectiveness. Strong analytical skills, attention to detail, and the ability to communicate complex plans clearly are essential. Experience in risk management, emergency response, or related fields is preferred.

Strong analytical skills and the capacity to make sound decisions are essential for this role, as you will frequently encounter complex challenges requiring thoughtful solutions. You must demonstrate proficiency in evaluating multiple variables, weighing risks, and identifying optimal outcomes to drive effective problem resolution. Your decisions should align with organizational goals while balancing efficiency, feasibility, and long-term impact. Experience in structured problem-solving frameworks, such as root cause analysis or SWOT assessments, is highly valued, as is the ability to adapt strategies based on evolving circumstances or new data.

We are seeking an experienced Project Manager to oversee and deliver projects from initiation to completion, ensuring they meet budget, timeline, and quality standards. The ideal candidate will possess strong leadership skills, exceptional organizational abilities, and a proven track record in managing cross-functional teams. Responsibilities include developing project plans, allocating resources, mitigating risks, and maintaining clear communication with stakeholders. Proficiency in project management methodologies, such as Agile or Waterfall, is required, along with excellent problem-solving and decision-making capabilities. A bachelor’s degree in a related field and relevant certifications, such as PMP or PRINCE2, are preferred.

Qualifications

BA/BSc/HND , MBA/MSc/MA

Experience Required

10 years

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