DV Infrastructure / Network Engineer - Python, Java, - Tier 1 Tech Service Provider - MOD, HO, ISAR

Location: London Clearance Level: Developed Vetting (DV) Required Core Mantra: “Technical Excellence in Engineering” We need people who can, research, design and build! These aren’t monitoring or BAU roles., As an Infrastructure Engineering Specialist, you will independently drive the execution of key technologies across our infrastructure landscape. You will work extensively with Automation, Enterprise Systems Management (ESM), and CI/CD technologies to deliver critical work packages on core delivery projects.

This role bridges the gap between high-level architectural design and day-to-day operational reality, requiring an inquisitive mind, careful change management, and a commitment to mentoring the next generation of engineers.

Key Accountabilities

Design & Implementation: Manage the implementation of high-level designs for stable, secure, and compliant network/infrastructure environments. Translate architectural designs into live operations. Infrastructure Maintenance: Lead the maintenance, installation, configuration, and optimization of IT infrastructure components (compute, storage, network, security) and communication links. Automation & Tooling: Write documentation and build advanced tooling to make infrastructure easier to use, manage, and scale. Collaboration & Leadership: Act as a technical bridge across application development, enterprise architecture, and cyber security teams to implement an effective product roadmap. Health & Auditing: Audit and report on the overall performance and health of the network/infrastructure, initiating swift corrective actions or enhancements where needed. Team Mentorship: Act as a core technical resource, mentoring other infrastructure engineers and continually sharing emerging industry trends and best practices.

We are looking for someone with deep technical proficiency. You should have experience working with someof the following technologies (or similar equivalents):

Virtualization & Compute: VMware (ESX, vCenter, vCF), NSX V&T, and Windows/Linux/Mac Server system management. Containers & Orchestration: Containers, Kubernetes, and VKS. Infrastructure as Code (IaC) & Automation: Automated system builds using Ansible, Puppet, Terraform, Foreman, Kickstart (including PXE), or Microsoft Deployment toolkits (ideally optimized for VMware). Code & CI/CD Management: Strong configuration-managed approach to code utilization within CI/CD workflows using Git or Subversion. Storage & Networking: Configuration of network file-sharing storage services (SAMBA, NFS) and high-availability enterprise platforms (NetApp, Dell, EMC). Network configuration for large-scale platforms across campus and WAN topologies. Scripting: Proficiency in scripting languages like PowerShell, Bash, Python, or Java. Monitoring & Security: Deployment of monitoring tools (CheckMK, Nagios, Prometheus, OpenNMS, SolarWinds, Zabbix) and security tooling (Elastic SIEM, Tenable).

Business Acumen & Mindset

Strategic Influence: Ability to contribute to the formulation of engineering strategies and influence technical policy. DevOps Culture: Solid experience operating smoothly within a fast-paced DevOps environment. Adaptability: Highly adaptable and capable of performing complex work covering technical, financial, and quality aspects in a changing environment. Communication: Exceptional communication skills to collaborate within internal scrum teams and build strong relationships with senior customers. Precision: Sharp attention to detail, a focus on Industry Security Best Practices, and a methodical approach to change management.

We are a large, multi-disciplined ‘professional services’ engineering practice delivering amazing, high-impact technical capabilities for our customers. Organized around key customer-focused capabilities, we maintain and develop bespoke and off-the-shelf solutions by working hand-in-hand with our clients. We operate across a wide variety of platforms, technology stacks, and COTS products.

We believe that incredible engineering only happens when we recruit, train, and support our people. If you are passionate about Technical Excellence in Engineering, thrive in a collaborative environment, and want to work on projects that genuinely matter, you belong here.