SiXworks Limited Logo

SiXworks Limited

Security Engineer

Posted 2 Months Ago
Be an Early Applicant
In-Office
Farnborough, Rushmoor, Hampshire, England, GBR
Entry level
In-Office
Farnborough, Rushmoor, Hampshire, England, GBR
Entry level
Designs, deploys, and documents secure digital solutions for defence and national security environments. Responsibilities include managing vulnerabilities, configuring SIEM and EDR tools, hardening information systems, integrating security testing into CI/CD pipelines, managing identity and access solutions, developing SOC playbooks, and supporting secure-by-design delivery using Agile and DevSecOps practices.
The summary above was generated by AI

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:

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 

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.

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!

Similar Jobs

Yesterday
Hybrid
London, Greater London, England, GBR
Senior level
Senior level
Artificial Intelligence • Software
Designs and improves security controls across endpoints, servers, identity systems, cloud services, SaaS applications, networks, and data flows. The role includes hardening, vulnerability remediation, access controls, monitoring, automation, security assessments, incident investigation, and architectural improvements. The engineer partners across infrastructure, engineering, identity, legal, and security teams to reduce attack surface and strengthen durable security practices. Applicants need at least five years of hands-on security experience and an active TS/SCI clearance or eligibility to obtain one.
Top Skills: Active DirectoryCi/CdCloud PlatformsConfiguration ManagementIdentity SystemsInfrastructure As CodeLinuxmacOSNetworkingSaas ApplicationsWindows
Yesterday
Hybrid
Entry level
Entry level
Aerospace • Information Technology • Software • Cybersecurity • Design • Defense • Manufacturing
Develops and integrates product security requirements, architectures, controls, and risk mitigations across Boeing’s IT, embedded, avionics, and non-IT systems. Responsibilities include threat and vulnerability assessments, security audits, certification support, cyber threat intelligence, system analysis, security testing, stakeholder communication, and improving secure engineering processes. The role collaborates with multidisciplinary teams, suppliers, customers, and government stakeholders to strengthen product resilience throughout the lifecycle.
Top Skills: Arinc 400 SeriesArinc 600 SeriesArinc 800 SeriesAvionicsDevsecopsEmbedded SystemsOsiParallel CommunicationsSerial CommunicationsTcp/IpUdp
Yesterday
Hybrid
Expert/Leader
Expert/Leader
Financial Services
Leads cloud security strategy, control design, governance, risk remediation, infrastructure-as-code security, automation, incident preparedness, and executive reporting across AWS, Azure, and GCP. Builds security guardrails, oversees Terraform and CI/CD security reviews, engages audit and regulators, evaluates security tooling, and mentors a matrixed team of engineers and risk analysts. Applies threat modeling, vulnerability analysis, AI-assisted security workflows, and policy-as-code practices to strengthen cloud resilience and compliance.
Top Skills: AWSAzureCi/CdCiemCspmCwppDevsecopsGCPIamInfrastructure As CodeSoarTerraform

What you need to know about the London Tech Scene

London isn't just a hub for established businesses; it's also a nursery for innovation. Boasting one of the most recognized fintech ecosystems in Europe, attracting billions in investments each year, London's success has made it a go-to destination for startups looking to make their mark. Top U.K. companies like Hoptin, Moneybox and Marshmallow have already made the city their base — yet fintech is just the beginning. From healthtech to renewable energy to cybersecurity and beyond, the city's startups are breaking new ground across a range of industries.

Sign up now Access later

Create Free Account

Please log in or sign up to report this job.

Create Free Account