cover image
Certes Computing Ltd

Senior Technical Architect

On site

Milton keynes, United kingdom

£ 650 /day

Senior

Freelance

13-03-2026

Share this job:

Skills

VMware Architecture Linux Operating Systems Azure AWS VMWare Virtualisation Infrastructure as Code Microservices

Job Specifications

Senior Technical Architect

Duration: 6 months

Location: Milton Keynes & remote (hybrid)

Rate: £650 per day

Start: ASAP

IR35 Status: Inside

A Senior Technical Architect is required for our Government client to support with the delivery and management of security capabilities.

You will work with customers, engineering and development teams to support the solution whilst maintaining key business relationships to ensure security.

You will primarily be working on the delivering of a key security product.

Liaising with stakeholders/customers and interpreting business requirements into technical ones; lead technical customer workshops

Support technical teams in delivery of capabilities, providing 4th level technical oversight to customer issues.

Maintenance and development of high and low designs for product

Impact assessment of functional, capability and security changes

Review, analyse and approve project requests to ensure any technology changes or improvements meet Client standards and make effective use of standards, principles, tools and patterns;

Support governance activities as well as understand existing and emerging technologies and be able to illustrate options and cost benefits

Essentials Skills & Experience required

As the Senior Technical Architect you will possess excellent people skills with the ability to explain and understand technical complexity.

Have previous experience including technologies in enterprise and virtual environments and of working within a secure government or defence environment.essential*

Possess experience of server/operating systems (Microsoft and Linux), network technologies

Hybrid Cloud

Gateways

PKI

Email

VMware virtualisation platforms (including VCD, VSAN, and NSX)

SASE architecture

Cisco

Palo Alto

Experience creating technical and architectural documents such as options assessments, low and high-level technical designs.

DevSecOps experience in automation and improvement in development and release processes (Continuous Integration & Continuous Delivery).

Experience of requirements management and the ownership of requirements.

Experience in design and migration to public cloud capabilities in M365/Azure and AWS.

Working knowledge of auditing and security products configuration.

A comprehensive understanding of NCSC, GDS, CIS, Cyber Essentials, and NIST IT security principles, together with previous experience of UK government technology strategies and policies.

Desirable would be any experience in Infrastructure as Code (IAC) and Microservices

Have experience working in a Matrix organisation structure

If this role is of interest please email your CV to: (see below)

Certes Computing (and all of its subsidiary companies) is committed to promoting equality and diversity in its business operations.

About the Company

Certes began in 1983 as an IT development company. With 4 decades of experience, today, we have grown to become leading experts in delivering IT service solutions. Experienced in agile IT resource planning, we help organisations across a range of sectors, supporting their transition to new services and technologies. With a continued focus on the digitisation of services as part of organisational transformation, the demand for high-quality IT resources is increasing. As a specialist provider of IT professionals and capability... Know more