Senior Technical Architect National Security Programme
6 Days Old
?? Milton Keynes (Hybrid 60% onsite)
?? £508.77/day PAYE or £652.82/day Umbrella
?? 6 Month Contract (Potential Extension)
?? SC Clearance Eligible Required
A leading government-focused organisation is seeking a Senior Technical Architect to support the delivery of critical national security capabilities. This is a high-impact role working at the intersection of architecture, engineering, and secure government operations.
The Role
Youll play a key role in shaping and delivering secure technical solutions within a complex, high-assurance environment. Acting as a bridge between stakeholders and technical teams, youll ensure solutions are robust, compliant, and aligned with strategic objectives.
Key Responsibilities
Lead technical engagement with stakeholders, translating business needs into scalable solutions
Facilitate and run technical workshops with customers and delivery teams
Produce and maintain high- and low-level technical designs
Provide 4th line technical oversight and support for complex issues
Conduct impact assessments across functional, capability, and security domains
Review and govern technical changes, ensuring alignment with standards and best practices
Contribute to architectural governance and support wider CTO function activities
Evaluate emerging technologies and present options, including cost/benefit analysis
Required Experience
Strong background in technical architecture within secure or government environments
Experience working with enterprise infrastructure and virtualised platforms
Solid knowledge of:
Microsoft and Linux operating systems
VMware stack (vCloud Director, vSAN, NSX)
Network technologies and secure architectures (e.g. SASE)
High-grade encryption technologies
Proven experience producing architectural documentation (HLDs, LLDs, options papers)
Strong understanding of security frameworks (e.g. NCSC, NIST, CIS, Cyber Essentials)
Experience managing and owning technical requirements
Excellent stakeholder engagement and communication skills
Desirable
Experience in matrix organisations
Exposure to Infrastructure as Code, containerisation, and microservices
Working Arrangements
Hybrid model: minimum 60% onsite in Hanslope Park
Standard working week: 37.548 hours
Participation in an on-call rota (additional flat-rate payments apply)
Additional Information
Candidates must be British nationals and eligible for SC clearance
This role falls inside IR35
Travel within Milton Keynes/London is expected within the day rate
TPBN1_UKTJ
- Location:
- Wicken
- Salary:
- From £508.77 to £652.82 per day
- Job Type:
- FullTime
- Category:
- IT
