Infrastructure Engineer

SiXworks; Farnborough; On-site; GBP 65,000 - 90,000; Full time

Job summary

SiXworks is seeking an experienced Infrastructure Engineer to design, build and operate secure digital solutions in highly secure environments. You will collaborate with engineers, architects and delivery specialists to enable faster, safer decision-making for critical operations.

You will maintain and improve multi-classification, virtualised environments and provide infrastructure support across public cloud SaaS (Office 365) and project-based systems.

Qualifications

• Experience administering Windows Server 2016+.
• Proficient with VMware vSphere/VCF and Microsoft 365.
• Strong Linux (CentOS/RedHat/Ubuntu) administration.
• PowerShell scripting for automation.
• Experience with secure provisioning and hardening.
• Knowledge of SSO concepts and protected environments.
• Kubernetes administration in enterprise environments.
• Experience with Nessus/ vulnerability tooling.
• Experience with Terraform and HashiCorp Vault.
• Agile sprint experience.

Responsibilities

• Design, build and deliver secure digital solutions in highly secure environments.
• Collaborate with engineers, architects and delivery specialists to enable faster, safer decision-making.
• Maintain, monitor and improve infrastructure across multi-classification, virtualised environments.
• Provide infrastructure support to public cloud SaaS offerings and project-based systems.
• Triage monitoring alerts, perform root cause analysis and implement fixes.
• Keep platforms patched in line with provider recommendations and security policy.
• Develop knowledge through study toward relevant certifications.
• Advise customers and project teams on infrastructure and support aspects.

Skills

Windows Server Admin

VMware vSphere

Linux Admin

PowerShell

Autopilot Provisioning

Security Hardening

SSO Concepts

Kubernetes Admin

Elastic Nessus

Terraform

HashiCorp Vault

Application Packaging

Agile Methodologies

Tools

Terraform

HashiCorp Vault

Elastic Nessus

Job description

Work on Technology That Protects What Matters

At SiXworks, we build secure digital solutions that support Defence and National Security missions. Our teams work on complex problems where reliability, security, and speed of innovation matter.

We’re looking for an Infrastructure Engineer who enjoys solving difficult technical challenges and wants their work to have real operational impact.

What You’ll Do

As an Infrastructure Engineer, you’ll help design, build, and deliver secure digital solutions in highly secure environments. You’ll work alongside engineers, architects, and delivery specialists to develop technology that enables faster, safer decision-making for critical operations.

Your work may include:

• Maintain, improve, and secure SiXworks’ multi-classification, virtualised, collaboration and development environments.
• Work with IT infrastructure colleagues to improve SiXworks’ ‘Secure by Design’ capabilities, internally and across its projects.
• Provide Infrastructure support to SiXworks’ public cloud SaaS offerings (Office 365) as well as project-based systems (public, private and hybrid clouds) in implementation and support lifecycles.
• Perform maintenance tasks on the infrastructure through change control.
• Assist with monitoring and management of SiXworks’ and project-based ticketing and alerting systems for new changes and security alerts.
• Triage monitoring alerts and perform appropriate action.
• Maintain monitoring components in line with infrastructure developments.
• Ensure all platforms are patched in line with provider recommendations and SiXworks security policy.
• Quickly and accurately assess impact of incidents, initiate return to service and ensure follow up actions are completed.
• Identify trends and problems and plan changes to improve stability and performance.
• Maintain cutting edge knowledge and skills in the design and build of secure public, private, and hybrid cloud and network technologies.
• Develop personal knowledge through study/research toward vocational certifications in relevant technologies/vendors.
• Advise customers and project teams on infrastructure and support aspects.
• Cascade knowledge through knowledge articles for the team and wider organisation.

What We’re Looking For

We value people who take ownership, think critically, and enjoy working as part of a collaborative team tackling complex challenges. You don’t need to tick every box, but we’re particularly interested in people with skills/experience in:

• Windows Server 2016+ administration.
• VMware vSphere/vCenter/VCF.Azure/Microsoft 365 administration.
• Linux (CentOS/RedHat/Ubuntu).
• PowerShell.
• EUD provisioning (Autopilot), maintenance, patching and hardening.SSO – concepts and operation.
• Understanding of working in protectively marked environments.
• Kubernetes administration e.g. VMware TKGI DevSec
• Ops Tooling Elastic Nessus
• Application Packaging
• HashiCorp
• Terraform
• HashiCorp
• Vault
• Experience working in Agile sprints

Just as important are curiosity, strong problem solving ability, and the motivation to continuously improve how technology is designed and delivered.

About SiXworks

SiXworks is a specialist digital innovation partner deliveringsecure, mission-critical technologyto Defence and National Security organisations. We focus ondigital experimentation, secure-by-design architecture, cloud technologies, and rapid application developmentto help our customers move faster and stay ahead of evolving challenges.

Our team combines expertise from across technology, business, and operational backgrounds including the armed forces creating a collaborative environment where practical thinking and innovation thrive.

Why Join Us

Our culture is guided by six principles: Agility, Security, Innovation, Quality, Collaboration and Inclusivity ourNorth Starfor how we work. SiXworksis a leading provider of secure digital solutions, specialising in digital experimentation and focused on fail-safe-fastcutting-edgetechnology solutions deployed in highly secure environments.

As an end-to-end digital innovation and delivery partner, we turn complex challenges into mission-critical digital advantages. This is a thrilling time for us, with ambitious plans for growth. We are looking for brilliant, experienced, driven and self-motivated people to join the team on our journey.

We offer competitive salaries and a package that supports your wellbeing and development, including 25 days annual leave + bank holidays, free Private Medical cover and Life Assurance, Generous pension (10% employer, 5% employee contribution), Bonus and Professional development and training support. In addition to secure parking, gym, café & restaurant on site and lots of open break out spaces.

A word on UK Security Clearance

Due to the secure nature of the positionand working environment, you must have or be eligible to obtainSecurity Clearance.More details relating to UK Security Clearance can be found here:

United Kingdom Security Vetting: clearance levels - GOV.UK (www.gov.uk)

Interested?