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IT Systems Engineer

Our client, a leader in the Defence & Security sector, is seeking a dedicated IT Systems Engineer to join their IT team at the Marlow Head Office. The successful applicant will report to the Principal Cloud and IT Infrastructure Engineer and will play a crucial role in ensuring that endpoint, infrastructure, systems, and services are reliable, scalable, secure, efficient, and well-documented, adhering to ITIL best practices.



Key Responsibilities:



Installation, configuration, maintenance, and support of infrastructure and systems

Provide expertise within the team for resolving all technical incidents and problems

Deliver continuous and measurable benefits in improving customer service, operational efficiency, and reducing risks and costs

Identify opportunities and create robust business case proposals to improve reliability, stability, and efficiency

Instigate and manage changes to infrastructure and systems in line with change control processes

Contribute ideas and suggestions for continuous service improvement

Develop, produce, and maintain IT documentation and follow IT procedures



Job Requirements:



Knowledge of Microsoft Azure deployment, automation, networking, and security in cloud and hybrid environments

Proficiency in on-prem server virtualisation and SANs/vSAN technologies an advantage

Expertise in Windows Active Directory; Azure AD, Federation, Single Sign-On, and AD Integrated Certificate Services an advantage

Understanding of Cyber Security practices to secure systems against cyber-attacks

Knowledge of Edge-firewalls, preferably Palo Alto

Proficiency in on-prem backup solutions; cloud backup solutions an advantage

Ability to diagnose and troubleshoot software and hardware issues logically and methodically

Knowledge of Microsoft SQL Database Services and management

Strong written, oral, and interpersonal communication skills

Keen attention to detail and adaptable to change

Team-oriented and skilled in working within a collaborative environment



Desirable Qualifications and Experience:



Experience with Microsoft 365 services

Microsoft and Access Management and Conditional Access policies

Knowledge of PowerShell

Experience with server virtualisation (VMWare/Hyper-V) or VDI

Strong understanding of networking concepts

Proficiency with Microsoft Endpoint Configuration Manager

MS Azure foundation level cloud certifications

Experience with NIST-(Apply online only) and Cyber Essentials Plus

Defence or secure systems background an advantage

Experience with system/infrastructure design



Benefits:



Competitive salary

Opportunity to work on high-impact projects

Professional development and training opportunities

Collaborative and supportive work environment

Comprehensive employee benefits package

If you are a driven IT Systems Engineer looking to make an impact within the Defence & Security sector, we would love to hear from you

IT Systems Engineer

Buckinghamshire, UK
Full time

Published on 06/07/2025

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