Security Architect

Amentum

. Design, build, oversee, and maintain robust security architectures for client ICT capabilities in line with Secure by Design .

Posted 9/28/2026full-timeBristol • United KingdomMid-LevelSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in designing and implementing security architectures aligned with business strategies, while ensuring compliance with industry regulations and best practices. Proficient in risk analysis, incident response, and communication of complex security concepts to diverse stakeholders.

Highest-signal resume keywords

Security Architecture DesignRisk Analysis and Security AssessmentIncident Response PlanningCybersecurity Standards KnowledgeStakeholder Engagement

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Cybersecurity PrinciplesNetwork SecurityTechnical DocumentationSecurity TechnologiesThreat AssessmentVulnerability ManagementSecurity Policy ImplementationEncryptionIntrusion Detection SystemsFirewalls

Soft Skills

Analytical SkillsCommunication SkillsInfluencing SkillsStakeholder Engagement

Tools & Technologies

EDRSIEMSOARVPNsIDS/IPS

Certifications & Qualifications

CISSPCISMNCSC Certified Cyber Professional (CCP)

Industry Keywords

UK DefenceMOD Security StandardsJSP440JSP453Secure by DesignNIST Cyber Security FrameworkISO 27001

Tech Stack

Tools & technologies

Cyber SecurityFirewalls

About the role

Key responsibilities & impact

Design, build, oversee, and maintain robust security architectures for client ICT capabilities in line with Secure by Design
Align security architectures with the client's business strategy and technology goals
Translate business needs into security requirements
Identify, assess, and communicate current and emerging security threats and vulnerabilities
Perform or supervise risk analyses and security assessments, including ITHC
Research, evaluate, and recommend security technologies, tools, and solutions, including firewalls, VPNs, IDS/IPS, EDR, SIEM, and SOAR
Define, implement, and maintain corporate security policies, standards, and procedures
Ensure compliance with industry regulations, legal requirements, and best practices
Develop incident response plans and coordinate detection, analysis, and response to security incidents and breaches
Communicate complex security concepts, risks, and recommendations to technical and non-technical stakeholders, including senior management
Support ICT system design activities for a UK defence project across diverse client programmes

Requirements

What you’ll need

Degree qualified in Cyber Security, Computer Science, Engineering, or related discipline (or equivalent experience)
Excellent communication and stakeholder engagement skills, with the ability to influence at senior levels
Strong analytical skills with the ability to break down complex security challenges
Ability to produce high-quality technical documentation for technical and non-technical audiences
5 years’ experience as a Security Architect within UK Defence
Deep understanding of computer systems, networking, and cybersecurity principles
Knowledge of cybersecurity standards and best practices
Ability to design and implement security architectures
Ability to stay up-to-date with the latest cybersecurity threats and trends
Hands-on experience with firewalls, intrusion detection systems, encryption, and related security technologies
Experience of MOD security standards and principles, including JSP440, JSP453, and Secure by Design
Experience with NIST Cyber Security Framework and ISO 27001
Professional certifications such as CISSP, CISM, or NCSC Certified Cyber Professional (CCP) are desirable

Benefits

Comp & perks

Competitive package
Free single medical cover
Digital GP services
Enhanced family-friendly policies
Employee assistance programmes
Reimbursement for professional development
Matched-funding schemes
Paid volunteering
Charitable contributions
Flexible working opportunities
Positive mental health support
Global Employee Networks centred on inclusion and diversity