Lead Solution Architect - Defence & Security Job at PA Consulting (London)

Lead Solution Architect - Defence & Security

Why consider joining our Defence & Security community as an Architecture Managin...

Location

United Kingdom , Bristol

Salary:

Not provided

PA Consulting

Expiration Date

Until further notice

Requirements

Proven experience leading architecture and development teams, delivering impactful, end-to-end solutions for complex client challenges
Strong understanding of the defence sector, with experience across areas such as banking, insurance, payments, or wealth management
Demonstrated ability to shape and communicate architectural strategies across multiple domains (application, business, integration)
Skilled at building trusted relationships with senior stakeholders, translating technical insight into business value
Track record of contributing to business development, including pre-sales, proposal development, and client engagement
Familiarity with architecture frameworks and modelling tools (e.g. UML, ArchiMate), with awareness of emerging trends and technologies
An established network of senior stakeholders within the financial services sector, with a proven ability to nurture and expand relationships that support business development and long-term client partnerships

Job Responsibility

Be part of our management team, helping shape and launch new service propositions while driving strategic business growth
Lead business development initiatives —building trusted client relationships, owning outcomes, and delivering innovative, high-impact solutions
Collaborate with FTSE 100 clients as a respected advisor, guiding them through complex challenges with clarity and creativity
Support your team’s growth through coaching, knowledge-sharing, and creating opportunities for them to thrive

What we offer

Health and lifestyle perks accompanying private healthcare for you and your family
25 days annual leave (plus a bonus half day on Christmas Eve) with the opportunity to buy 5 additional days
Generous company pension scheme
Opportunity to get involved with community and charity-based initiatives
Annual performance-based bonus
PA share ownership
Tax efficient benefits (cycle to work, give as you earn)

Fulltime

Lead Solution Architect - Defence & Security

Join a team where you're trusted to shape your own path, manage your time, and i...

Location

United Kingdom , Manchester

Salary:

Not provided

PA Consulting

Expiration Date

Until further notice

Requirements

Proven experience leading architecture and development teams, delivering impactful, end-to-end solutions for complex client challenges
Strong understanding of the defence sector, with experience across areas such as banking, insurance, payments, or wealth management
Demonstrated ability to shape and communicate architectural strategies across multiple domains (application, business, integration)
Skilled at building trusted relationships with senior stakeholders, translating technical insight into business value
Track record of contributing to business development, including pre-sales, proposal development, and client engagement
Familiarity with architecture frameworks and modelling tools (e.g. UML, ArchiMate), with awareness of emerging trends and technologies
An established network of senior stakeholders within the financial services sector, with a proven ability to nurture and expand relationships that support business development and long-term client partnerships

Job Responsibility

Be part of our management team, helping shape and launch new service propositions while driving strategic business growth
Lead business development initiatives —building trusted client relationships, owning outcomes, and delivering innovative, high-impact solutions
Collaborate with FTSE 100 clients as a respected advisor, guiding them through complex challenges with clarity and creativity
Support your team’s growth through coaching, knowledge-sharing, and creating opportunities for them to thrive

What we offer

Health and lifestyle perks accompanying private healthcare for you and your family
25 days annual leave (plus a bonus half day on Christmas Eve) with the opportunity to buy 5 additional days
Generous company pension scheme
Opportunity to get involved with community and charity-based initiatives
Annual performance-based bonus
PA share ownership
Tax efficient benefits (cycle to work, give as you earn)

Fulltime

Principal Solution Architect

We’re looking to recruit an SC Cleared Principal Solution Architect for a specia...

Location

United Kingdom , Andover

Salary:

110000.00 - 130000.00 GBP / Year

DataCareers

Expiration Date

Until further notice

Requirements

Proven experience operating at Principal / Lead Solution Architect level
Strong background delivering complex technology solutions in secure environments
Experience working across Central Government and/or Defence sectors
Ability to engage and influence senior stakeholders (including military leadership)
Strong understanding of architecture frameworks and best practices
Experience leading multi-disciplinary teams across full delivery lifecycles
Cloud platforms (Azure and/or AWS)
Secure software development lifecycle and DevSecOps practices
Integration patterns, APIs, microservices
Identity and access management (OAuth, SAML, etc.)

Job Responsibility

Lead the design and delivery of end-to-end solution architectures across complex programmes
Act as a “front door” architect, shaping early-stage ideas and aligning them to architectural standards
Engage with senior stakeholders, including military leadership, to guide decision-making
Drive application modernisation and transformation initiatives
Define architecture principles, standards, and best practices across programmes
Ensure alignment to security, compliance, and governance frameworks
Support pre-sales, bids, and client engagements
Mentor and develop other architects and engineers within the practice

Fulltime

Cloud Security Architect

We are looking for an experienced Security Architect to support our 'Cloud Secur...

Location

India

Salary:

Not provided

Rackspace

Expiration Date

Until further notice

Requirements

Experience with AWS/GCP will be highly advantageous
Proven track record in designing and delivering innovative technology security solutions built on the cloud
Experience of designing secure platforms on the major hyperscalers, AWS, Azure or GCP (GCP preferred)
Demonstrable experience in designing secure cloud-native systems and/or rebuilding an existing system on the cloud with a suitable security posture
Demonstrable experience in the relevant legislation, industry regulations and industry standards such as ISR, EU GDPR, HIPAA, ISO27001, ISO 22301, ISO/IEC 20000-1, ISO 22301, NCEMA, NIST CSF, PCI DSS, Cloud Security Alliance CCM, CIS, OWASP and Cyber Essentials etc.
In-depth knowledge of the Well-architected frameworks and best practices of the major cloud providers
Must have the ability to lead engagements, either directly or as part of a larger programme of work and take ownership for the successful delivery of customer value within budget, time and scope
Acting as a thought-leader, the right candidate is able to concisely and articulately present to both technical and non-technical audiences
You have built specialist and demonstrable cloud security architectural knowledge in the following areas
Account governance, Identity and Access Management (IAM), Asset management and data protection, Infrastructure and platform security, Application security including threat modelling and secure CI/CD, Change management practice and detection capabilities, Boundary defence, Cloud Logging and Monitoring, Continues vulnerability and patch management systems, Incident response and threat mitigation, Cloud backup/recovery and disaster recovery (DR)

Job Responsibility

Engage with customers and the wider Rackspace organization to advise, develop and deliver innovative security solutions leveraging a wide range of public cloud services
Help customers to assess their cloud security posture and to ensure any subsequent cloud design and build is appropriately secured
Be the Subject Matter Expert (SME) to advise and guide customers on their cloud security journey and establish a long-term trusted advisor role
Provide guidance to customers on their cloud security roadmap and assist on defining the right-size cloud security controls
Liaise closely with the customer’s architects and engineers and advise, design and deliver innovative cloud security Proof of Concepts
Evolve existing Rackspace security services, as well as implement new ones, under the ‘Cloud Security Service’ banner
Establish best-practices for the consultancy resulting in standardized engagement models and repeatable ways-of-working
Mentor and train other security architects within the wider Rackspace Security Solutions Architecture community on modern multi-cloud security domains and topics
Evangelize the security cloud-native paradigm through the delivery of blogs, customer presentations and public speaking engagements
Deliver high-quality work to customers as part of consulting engagements that can be delivered through workshops, presentations or security solutions architecture designs

Fulltime

Senior Systems Architect

At Boeing, we innovate and collaborate to make the world a better place. We’re c...

Location

Australia , Brisbane

Salary:

Not provided

Boeing

Expiration Date

Until further notice

Requirements

14+ years of relevant work experience (or equivalent combination of education and experience, e.g., PhD + 9 years, Master + 12 years)
Proven senior-level experience architecting complex systems-oriented solutions in high-security or defence environments
Strong Python development background and domain expertise in LLMs, machine learning, agent development and workflow automation
Applicants must be Australian Citizens to meet Defence security requirements

Job Responsibility

Architectural Guidance - Create and maintain architecture artefacts (requirements, algorithms, interfaces, design docs) for complex AI-enabled systems
AI & Automation - Apply LLM, ML, agent development, and workflow-automation techniques to new and existing defence solutions
Service-Oriented Design - Lead Service Oriented Architecture (SOA) design, definition, and development, ensuring reusable, loosely-coupled services across platforms
Cloud & IaC - Design cloud-based architectures, data-integration flows and implement Infrastructure-as-Code (IaC) (e.g., Terraform) for scalable deployments
Monitoring & Logging - Define and implement monitoring, logging and key-performance-metric frameworks to guarantee reliability and observability
Development Excellence - Steward high-quality, maintainable code (Python required
C++ desirable) and, where needed, front-end components using React/TypeScript.(desirable)
Testing & Reliability - Foster intentional testing methodologies, debugging and performance optimisation throughout the software lifecycle
Mentoring & Collaboration - Guide senior engineers, foster best-practice engineering culture and act as primary liaison with customers, internal stakeholders and international Boeing partners
Continuous Innovation - Stay current with emerging AI, cloud and automation technologies and evaluate their suitability for strategic outcomes

What we offer

Attractive remuneration and annual bonus
Formal mentoring and training as well as on the job learning
Formal reward and recognition program
Access discounts for health insurance, travel and accommodation
Paid study leave, paid parental leave and Defence leave
Salary packaging options available
Health and wellbeing benefits including annual flu vaccinations and Employee Assistance Program
Social and community groups
Competitive base pay and incentive programs
Industry-leading tuition assistance program pays your institution directly

Principal Technical Architect

Location

United Kingdom , Hemel Hempstead

Salary:

Not provided

Social Value Portal Ltd

Expiration Date

Until further notice

Requirements

3 years' experience of delivery within a secure Defence (preferred) or @3 environment
Excellent leadership skills, with experience having managed complex technical solutions, with engineering teams of at least 20 plus resources
5+ years' experience in a senior technical role either managing a technical service provision or as a senior architect working within projects and programs
Outstanding communications skills with the ability to bridge the gap between technical teams and non-technical audiences
Experience managing escalations effectively
Experience in managing and supporting major IT transformations (from a technical, not project management perspective)
Knowledge and experience of IDAM solutions
Demonstrable experience in introducing automation
Experience working in a highly secure environment with complex security requirements

Job Responsibility

Providing technical leadership
Providing fully traceability for contracted requirements and ensuring the solution is fit for service
Managing the technical leads within each separate workstreams
Providing advice and guidance to development teams as they go about designing and engineering the new solutions
Bridging the gap between the technical teams and wider business
Dealing with escalations
Interfacing with the Design Authority
Interfacing with the client to ensure effective decisions are made concerning all aspects of the technical solution
Supporting with the recruitment of technical resources and technical resource management
Provides advice and guidance to development teams on architectures and application designs Identifies and promotes best practice, including standards, frameworks and documentation

Software Architect

Lead the design, development, and evolution of complex software systems for crit...

Location

United Kingdom , Portsmouth

Salary:

Not provided

Airbus

Expiration Date

Until further notice

Requirements

Bachelor's or Master's degree in Computer Science, Software Engineering, or a related technical field
8-10 years of progressive experience in software development
at least 3-5 years in a dedicated Software Architect role
proven experience in designing and delivering complex, large-scale software systems, preferably within defence, aerospace, or other highly regulated industries
demonstrable experience with various architectural patterns (e.g., microservices, event-driven, monolithic decomposition)
strong proficiency in multiple programming languages (e.g., C++, Java, Python, Ada) relevant to embedded or real-time systems
extensive knowledge of software design principles, object-oriented design, and design patterns
experience with real-time operating systems (RTOS) and embedded software development is highly desirable
familiarity with cloud computing platforms (e.g., AWS, Azure, Google Cloud) and containerization technologies (e.g., Docker, Kubernetes) where applicable
understanding of cybersecurity principles and secure software development practices

Job Responsibility

Lead the architectural design, definition, and documentation of software systems
develop and maintain technical roadmaps for software products and platforms
research, evaluate, and recommend new technologies, frameworks, and tools
define and oversee integration strategies for various software components, subsystems, and external systems
design and implement robust security architectures and ensure compliance
architect solutions that meet stringent performance, reliability, and scalability requirements

What we offer

Competitive salary
annual profit share
contributory pension
share options
car leasing scheme
free onsite parking
season ticket loan
tax-free technology scheme
discounted shopping
37 hour week

Fulltime

Customer Success Manager, Public Sector & Defence

We're seeking an exceptional Customer Success Manager with deep expertise in the...

Location

Canada , Ottawa

Salary:

Not provided

Cohere

Expiration Date

Until further notice

Requirements

8+ years of experience in customer success, account management, strategic consulting, or technology delivery roles within enterprise or government contexts
At least 3-5 years working directly with Canadian government, defense, or healthcare organizations in a technology, digital transformation, or consulting capacity
Proven track record of managing complex, strategic accounts with multiple stakeholders, long sales cycles, and multi-year implementation timelines
Experience leading AI/ML, cloud, or enterprise software implementations in secure or highly regulated environments
Deep understanding of how government organizations evaluate, procure, implement, and govern technology solutions
Active Top Secret security clearance (mandatory)
Demonstrated success driving customer adoption, expansion, and retention in complex enterprise or government accounts
Experience developing and executing customer success strategies, QBRs, and executive engagement programs
Track record of identifying and closing expansion opportunities within existing accounts
Ability to manage multiple strategic accounts simultaneously while maintaining high-touch, personalized engagement

Job Responsibility

Own the success, adoption, and growth of Cohere's Canadian public sector and defence customers, ensuring they realize maximum value from our AI solutions
Build deep, trusted relationships with senior government stakeholders, including Deputy Ministers, CIOs, ADMs, digital transformation leads, and departmental executives
Develop comprehensive success plans tailored to each organization's mission, digital strategy, budget cycles, and unique constraints
Serve as the primary point of contact and executive sponsor for your accounts, managing escalations and ensuring customer satisfaction
Define and track success metrics aligned with public sector priorities: citizen satisfaction, service delivery improvements, cost savings, operational efficiency, accessibility outcomes
Guide customers through the full lifecycle of AI adoption—from use case identification and pilot design through production deployment and scaling
Lead secure AI implementation projects in complex government environments, including air-gapped systems, Protected B/C environments, and on-premises deployments
Navigate the unique challenges of public sector AI adoption: legacy system integration, data sensitivity, lengthy approval processes, and risk-averse organizational cultures
Create and execute change management strategies to drive user adoption and value realization across diverse government workforces
Conduct regular executive business reviews with senior stakeholders, demonstrating ROI, impact, and strategic value

What we offer

An open and inclusive culture and work environment
Work closely with a team on the cutting edge of AI research
Weekly lunch stipend, in-office lunches & snacks
Full health and dental benefits, including a separate budget to take care of your mental health
100% Parental Leave top-up for up to 6 months
Personal enrichment benefits towards arts and culture, fitness and well-being, quality time, and workspace improvement
Remote-flexible, offices in Toronto, New York, San Francisco, London and Paris, as well as a co-working stipend
6 weeks of vacation (30 working days!)

Fulltime

Lead Solution Architect - Defence & Security

PA Consulting

Location:
United Kingdom , London

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

Job Description:

Job Responsibility:

Requirements:

Additional Information:

Job Posted:
February 19, 2026

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