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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 a Security Engineer who enjoys solving difficult technical challenges and wants their work to have real operational impact.
What You’ll Do
As a Security 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:
- Documenting security configuration of information systems.
- Proactive management of technical vulnerabilities.
- Deployment of security tooling (vulnerability scanning/SIEM/etc).
- Deploying secure lockdowns to information systems.
- Deployment of security testing tools to CI/CD pipelines.
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:
- Knowledge of configuring SIEM tooling.
- Basic understanding of threat frameworks, such as ATT&CK.
- Understanding of CI/CD tools required to secure a pipeline.
- High standards in written report and/or design documentation.
Experience (Nice to have)
- Experience of supporting information systems in a government or defence sector;
- Development of SOC Use Cases and Playbooks;
- Hands-on experience of configuring CI/CD tools and Kubernetes;
- Knowledge of MOD policies (e.g. JSP 440);
- Experience of working with MOD Assurance.
- Knowledge of Windows, Linux and networking fundamentals.
- Elastic EDR.
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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:
- Deploying and managing security tooling (vulnerability scanning, EDR Agents, etc);
- Deploying and managing identity solutions (Directory services, IdPs, Privileged Access Management solutions);
- Basic understanding of threat frameworks (such as ATT&CK).
- High standards in written report and/or design documentation;
- Working at a technical low level design level with the project team;
- Knowledge and experience of Agile, DevSecOps, CI/CD principles and their application in secure environments;
- Understanding of MOD assurance and policies;
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 delivering secure, mission-critical technology to Defence and National Security organisations. We focus on digital experimentation, secure-by-design architecture, cloud technologies, and rapid application development to 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.
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Why Join Us
Our culture is guided by six principles: Agility, Security, Innovation, Quality, Collaboration and Inclusivity our North Star for how we work. SiXworks is a leading provider of secure digital solutions, specialising in digital experimentation and focused on fail-safe-fast cutting-edge technology 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 position and working environment, you must have or be eligible to obtain the highest level of Security Clearance. More details relating to UK Security Clearance can be found here: United Kingdom Security Vetting: clearance levels - GOV.UK (www.gov.uk)
Interested? Please apply!
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