Security Architect - SC Cleared - Junior - Mid

SR2 Clean Energy; Greater London; On-site; GBP 40,000 - GBP 55,000; Full time

Job summary

A leading energy solutions provider in Greater London is seeking an early-career Security Architect to develop secure digital services. The role involves designing secure architectures, advising delivery teams on best practices, and communicating security concepts effectively. Ideal candidates will have active SC clearance and a foundational understanding of security principles. This position offers a hands-on opportunity to refine skills within a high-profile public sector programme.

Qualifications

• Active SC clearance (NPPV3 clearance advantageous).
• Experience applying structured analysis to real-world security challenges.
• Understanding of key security concepts and principles.

Responsibilities

• Design secure system architectures balancing business objectives with risk.
• Advise on security best practices throughout the development lifecycle.
• Support reusable security architecture pattern development.

Skills

Security analysis

Communication skills

Collaborative working

Job description

Security Architect – SC Cleared

We’re looking for an early‑career Security Architect with strong technical instincts and a proactive mindset to help shape secure solutions across digital services. Working within a collaborative, multidisciplinary team, you’ll provide practical security guidance, contribute to the design of secure systems, and help ensure risks are appropriately identified, communicated, and mitigated.

This is a hands‑on role ideal for someone with foundational architecture or security experience looking to deepen their skill set within a high‑profile public sector programme.

What You’ll Be Doing

• Designing secure system architectures that balance business objectives with risk
• Advising delivery teams on security best practice throughout the development lifecycle
• Supporting the development of reusable security architecture patterns
• Reviewing technical solutions and offering constructive security input
• Communicating risk and security concepts clearly to both technical and non‑technical stakeholders

What We’re Looking For

• Active SC clearance (NPPV3 clearance is highly advantageous)
• Experience applying structured analysis to solve real‑world security challenges
• Understanding of key security concepts, technologies, and architecture principles
• Ability to communicate technical issues clearly and confidently to varied audiences
• Knowledge of risk methodologies and how to apply them proportionately
• Comfortable working collaboratively across delivery teams and stakeholders
• Familiarity with designing or reviewing solutions for cloud, legacy, or hybrid environments

Please apply for more details.