Senior Technical Architect
Confidential
Posted: March 11, 2026
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Quick Summary
We are seeking a Senior Technical Architect with experience in designing and implementing technical solutions to guide the development team. The ideal candidate will have expertise in a specific technology stack and strong leadership skills. This is a challenging role that requires excellent communication and collaboration skills.
Required Skills
Job Description
About the job
We currently have an exciting opportunity for a Senior Technical Architect to join our existing experienced team.
What do we look for in a Senior Technical Architect
A Senior Technical Architect serves as both a technical expert and a leader, ensuring the successful design, implementation and delivery of technical solutions while guiding and mentoring the development team.
Key Responsibilities:
Technical Leadership
Lead the technical design and architecture of systems and platforms.
Collaborate with customers, management and stakeholders to define technical requirements and align solutions with the wider business, where appropriate.
Review and guide the development of new features and innovations, ensuring they align with the overall system architecture and technical standards.
Identify and implement best practices in secure computing principles, such as SBD standards, design patterns, and testing approaches.
Make decisions on technical stack, tooling and product selection based on project requirements and long-term sustainability.
Team Leadership & Mentorship
Provide guidance, mentorship, and support to team members, helping them grow technically and professionally.
Foster a collaborative team culture, encouraging knowledge sharing and continuous improvement.
Provide constructive feedback and performance evaluations to team members.
Project Delivery & Stakeholder Collaboration
Ensure that projects are delivered on time, within scope, and with high quality.
Manage risks and proactively address challenges that may impact the project deliverables.
Communicate technical concepts clearly to non-technical stakeholders, customers and SLT, where required.
Innovation & Continuous Improvement
Stay up to date with the latest industry trends, emerging technologies, and best practices to continuously improve technical solutions.
Evaluate and recommend new tools and technologies that can benefit the team's productivity and the product’s functionality.
System Reliability & Performance
Ensure that systems are robust, reliable, and performant by implementing monitoring and thorough testing practices.
Ensure proper design principles by including and implementing disaster recovery plans and system backups.
Key Skills and Qualifications:
Technical Skills:
Proficiency with Industry standard software and hardware.
VMware, Microsoft Server Products, ASH, Elastic, backup technologies, PKI, encryption technologies, Linux, switching, routing and firewalling across multiple product stacks (Cisco, Juniper, Mellanox)
Familiarity with:
Docker & Kubernetes, CI/CD Pipelines, Horizon, HPC, Horizion VDI (Omnissa), Browsedown/Browseacross products, DevOps tooling and techniques.
Application integration
Leadership & Communication:
Proven experience leading a technical team or serving as a technical mentor.
Strong problem-solving skills and the ability to make informed decisions under pressure.
Excellent verbal and written communication skills, with the ability to interact with both technical and non-technical stakeholders.
Ability to manage and prioritize multiple tasks in a fast-paced environment.
About SiXworks
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. We are unified in our mission to accelerate innovation and adoption of secure, digital technology to improve the operational agility of Defence and National Security. This is an exciting time for us, we have ambitious plans for continued growth and development, and we are seeking to add brilliant, experienced, motivated, and passionate people to our team to work with us on this journey.
Why join SiXworks?
Our team is a fusion of brilliance, featuring senior operational, technical, and business leaders from various industries and the armed forces. We're also powered by a league of extraordinary IT engineers, architects, developers, and project managers. Together, we're an unstoppable force of digital innovation!
SiXworks’ expertise includes Secure-by-Design, cloud computing, advanced network and infrastructure design, rapid application development, cross-security domain systems, multi-tenanted High-Performance Compute, multi-source data platforms, cyber vulnerability mitigation, and intelligence systems. We provide supplier-agnostic, technical, and business consultancy to customers while championing open-source and best-of-breed technologies.
What can we offer in return?
SiXworks offers a unique work culture around our core principles Agility, Security, Innovation, Quality, Collaboration and Inclusivity. Together, these six principles form SiXworks' NORTH STAR, guiding the organisation towards success. This is reflected in the raft of benefits available to all our employees.
In addition to a competitive salary, we offer:
25 days annual leave + bank holidays.
Private Medical Insurance.
Life Assurance Scheme
Contributory pension scheme
Professional Development opportunities
Cycle to Work scheme.
Perks at Work scheme.
Contributory company pension.
Discretionary Bonus scheme.
Secure, on-site parking, cafe, restaurant, and gym facilities.
Casual dress.
Free hot and cold drinks in our own, modern kitchen/break-out.
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 Security Clearance.
More details relating to UK Security Clearance can be found here:
United Kingdom Security Vetting: clearance levels - GOV.UK (www.gov.uk)
SiXworks is an IBM subsidiary which has been acquired by IBM and will be integrated into the IBM organisation. SiXworks will be the hiring entity. By proceeding with this application, you understand that SiXworks will share your personal information with other IBM subsidiaries involved in your recruitment process, wherever these are located. More Information on how IBM protects your personal information, including the safeguards in case of cross-border data transfer, are available here: https://www.ibm.com/privacy
Notice
SiXworks recognises the benefits of Reserve service to Country, Company and individual.
We support Reservists and actively encourage them to apply.
We are not considering submissions from agencies.