Job Specifications
IT Infrastructure Assistant Manager - Financial Services (12-month FTC)
Oliver James has partnered with a global financial services organisation with a long-established presence in the City of London to recruit an IT Infrastructure Assistant Manager on an initial 12-month fixed-term contract, with potential for a permanent role for the right candidate.
This role is well suited to an experienced infrastructure engineer looking to step into a senior, hands-on role with real accountability and exposure to governance, audit, and enterprise-scale technology.
Key Responsibilities include:
Own and operate infrastructure vulnerability and patch management processes across servers, virtualisation, and endpoints, ensuring remediation aligns with security policies and SLAs
Collaborate closely with Security Operations teams to assess vulnerabilities, prioritise remediation, and support risk acceptance or exception processes where required
Plan, test, and implement patches and remediation activities through formal change and release management
Design, maintain, and enhance automated patching and remediation using tools such as SCCM/ConfigMgr, Intune, and PowerShell
Manage and support Microsoft server platforms including Windows Server, Active Directory, Group Policy, DNS, DHCP, PKI, Exchange, and Microsoft 365
Lead VMware estate management, including cluster design, lifecycle management, availability, and performance
Essential Skills
Experience in IT infrastructure or systems engineering roles, ideally within a regulated environment such as banking or financial services
Strong hands-on experience with enterprise vulnerability and patch management tools (e.g. SCCM/ConfigMgr, Tenable, Runecast, PatchMyPC)
In-depth experience across Microsoft Server technologies, Active Directory, Group Policy, Exchange, Microsoft 365, and VMware vSphere
Proven expertise in vulnerability remediation, security baselines, endpoint hardening, and identity/access management
Strong PowerShell scripting and automation capability
Experience operating within formal change, release, and incident management frameworks (ITIL)
Ability to lead root cause analysis and deliver permanent fixes for complex infrastructure issues
Microsoft certifications, VMware certifications, and ITIL Foundation (or equivalent experience)
Desirable Skills
Experience with hybrid cloud environments and identity platforms (Azure, Microsoft Entra)
Security certifications such as Security+ or CISSP
Experience with PAM solutions (e.g. CyberArk), SSO/MFA platforms, and PKI/SSL management
Practical Red Hat Linux administration experience
Exposure to audit, regulatory, and compliance-driven environments
Experience driving automation, process improvement, and operational best practices
Salary - Up to £75k per annum
Location - City of London (2 days per week onsite)
Desired Skills and Experience
Infrastructure Engineer
About the Company
We introduce talented people to great organisations so that both may grow and benefit from each other’s experiences, helping to fulfil their potential.
We understand that each client’s mix of people, culture, and objectives is unique, so our approach and solutions are flexible and adapted to each person, team, company, and situation.
Although your relationship with OJ is with your local consultant(s), their network, relationships, and knowledge of diverse local candidate pools are backed by those of their local permanent...
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