Principal Software Engineer on Walmart's AI Security team analyzing threats and implementing robust security architectures. Collaborate across domains and mentor on AI safety and secure engineering practices.
BI
Hybrid Infrastructure Engineer – National Security
Posted 3 weeks ago
About the role
- Infrastructure Engineer at BAE Systems Digital Intelligence designing and maintaining enterprise-grade infrastructure platforms. Role involves Linux, Windows, cloud environments, and security responsibilities.
Responsibilities
- Contribute to the design, deployment, support, and improvement of enterprise‑grade infrastructure platforms
- Designing, building, and maintaining secure and resilient infrastructure across Linux, Windows, hardware, and cloud environments
- Deploying and maintaining Linux servers using Kickstart, PXE, cloud‑init, and configuration management tools
- Managing Active Directory services and supporting Windows Server estates
- Implementing and maintaining enterprise hardware solutions including Cisco UCS, HyperFlex, Dell servers, and storage platforms
- Supporting cloud‑based workloads and contributing to cloud architecture design in Azure and AWS
- Creating automation using Terraform, Ansible, CDK, scripts, and pipelines
- Opportunities exist to lead technical workstreams, mentor others, and contribute to infrastructure strategy
Requirements
- Experience across Linux & Middleware
- Strong Linux administration skills (Rocky preferred)
- Experience with deployment methods such as Kickstart, PXE, and cloud‑init for cloud image builds
- General Linux skills including shell scripting and automation
- Server patching, lifecycle management, and performance optimisation
- Security hardening experience (CIS benchmarks, SELinux, OpenSCAP)
- Familiarity with Puppet/Foreman for configuration management and an interest in migrating to Ansible and cloud‑native tooling
- Experience managing Kubernetes platforms and deploying containerised applications
- Knowledge of GitLab, Apache NiFi, HashiCorp Vault, Trend Micro Deep Security Manager, Ivanti device control, and Ansible Tower/AWX
- Experience with Windows Server administration, deployment, and troubleshooting
- Strong understanding of Active Directory services including DNS, DHCP, Certificate Services, and identity management
- Experience using MECM and WDS for build, deployment, and configuration management
- Experience installing, managing, and maintaining enterprise server platforms
- Understanding of Cisco UCS, HyperFlex, and Dell server technologies
- Storage experience including Dell EMC Unity and Dell PowerVault
- Experience working with Azure and/or AWS cloud platforms
- Knowledge of Azure VMs, AVD, storage, VNets, Key Vault, Entra ID/AD, Intune, Defender, RBAC, and Functions
- Understanding of AWS compute, storage, RDS, DynamoDB, VPC, VPN, Direct Connect, IAM, and Organisations
- Experience using IaC tools such as Terraform, Ansible, Azure Automation (PowerShell/Graph), or AWS CDK
- Ability to work with CI/CD pipelines (e.g., GitLab)
- Scripting skills (Bash, PowerShell, Python)
Benefits
- Hybrid and flexible working arrangements
- Referral Bonus: £5,000
Job title
Job type
Experience level
Salary
Not specified
Degree requirement
No Education Requirement
Tech skills
Location requirements
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