Senior Engineer (Windows/AD/Security)

Location: Stevenage, England, United Kingdom. Workplace type: On-site.

Company

hirify.global is a UK-based IT services consultancy delivering transformation, technical solutions, and managed services primarily for public-sector clients, with a growing private-sector portfolio.

What you will do

• Manage the end-to-end lifecycle of enterprise infrastructure, endpoint technologies, security applications, and end-user hardware.
• Design, configure, maintain, and improve enterprise endpoint management, Windows desktop and server, Active Directory, Group Policy, and security baseline environments.
• Lead software packaging, application deployment, patch management, release activities, infrastructure upgrades, and technology lifecycle improvements.
• Manage virtual desktop infrastructure and virtualization environments, including Citrix and VMware, as well as Linux server environments.
• Monitor vulnerabilities, support remediation and cybersecurity incident response, and maintain compliance, security, availability, and service-level requirements.
• Work with infrastructure, architecture, cybersecurity, application, and system teams, while managing suppliers and balancing operational support with project delivery.

Requirements

• Strong experience supporting Windows 11 desktop and Windows Server environments, including installation, configuration, patching, and upgrades.
• Experience managing Active Directory, Group Policy, endpoint security configurations, Microsoft SCCM/MECM, software packaging, application deployment, and patch management.
• Experience managing WSUS and knowledge of Linux environments, particularly Red Hat Enterprise Linux and Oracle Linux.
• Experience with vulnerability management tools, ideally Tenable Nessus and Tenable Security Center.
• Experience managing virtualization technologies, particularly VMware vSphere and vCenter, and understanding of virtual desktop infrastructure, ideally Citrix and VMware.
• Good understanding of networking fundamentals, including TCP/IP, DNS, DHCP, switching, and routing.
• Experience supporting infrastructure security, vulnerability remediation, and compliance activities.
• Strong troubleshooting, problem-solving, ownership, prioritization, organization, and communication skills, with the ability to work independently and collaboratively in a multidisciplinary technical team.
• The role requires existing Security Clearance or willingness to obtain it, and completion of Baseline Personnel Security Standard checks during onboarding.

Nice to have

• Knowledge or experience with RSA SecurID, Cyber Essentials, Cyber Essentials Plus, Defence Cyber Certification, or Secure by Design principles.
• ITIL Foundation certification or equivalent service management experience.
• Experience with Cisco networking technologies, including firewalls and switches.
• Experience in security-focused or regulated IT environments and knowledge of infrastructure security standards, policies, and best practices.

Culture & Benefits

• Autonomy for skills development, access to LinkedIn Learning, management development, and training.
• Supportive, collaborative environment with leadership and project work focused on societal impact.
• 25 days of annual leave, pension salary exchange scheme with 4% employer and 5% employee contributions, and life assurance worth four times base salary.
• Non-contributory private medical insurance for employees, spouses, and dependants, plus worldwide travel insurance.
• Confidential 24/7 employee assistance programme, regular social activities, and charitable initiatives.