Lead Technical Architect – Integration and Solution Delivery

09 May 2025

About us:

We are the Information Intelligence Group (IIG) of CACI UK, a specialist technical consultancy providing bespoke solutions to solve complex operational problems. Due to some exciting growth within our Central Government business, we are interested in speaking with an experienced Technical Architect.

Role Location:

You can work from any of our 6 offices in the UK (including Bristol, Cheltenham & London) or from home, you decide. The role will however require you make regular visits to sites based in Farnborough, Winchester or London 1-2 days per week.

About the Role:

We are looking for an experienced and highly skilled Lead Technical Architect with

expertise in systems delivery assurance and integration architectures to join our

team. You will play a pivotal role in designing, implementing, and overseeing the

delivery of solutions for large-scale mission-critical systems to meet business

user/customer expectations. You will have demonstrable expert-level architecture

and technical leadership experience, including deep knowledge of application and

integration architectures. You will define and communicate architectures, provide

client-facing strategic and technical direction and perform strong and detailed

assurance of supplier solution deliveries.

Key Responsibilities:

• Provide technical leadership and mentorship to client technical teams, guiding

them through complex technical challenges and architectural decisions.

• Develop solutions that conform to organisational standards, principles,

strategies, and technical and commercial constraints.

• Understand business customer demands and requirements, and ensure

alignment to system supplier deliveries.

• Evaluate and provide technical assurance for supplier solutions.

• Apply assurance and governance to supplier deliveries to meet desired

business outcomes.

• Develop and maintain technology roadmaps for client systems.

• Oversee the capture of requirements and provide technical input to

procurements and tenders.

• Work closely with project management and commercial teams to ensure

delivery alignment and commercial compliance.

• Contribute to technical design authorities communicating ideas and seeking

consensus.

• Perform a Systems Integration role, ensuring supplier solutions and deliveries

align.

• Ensure solution compliance with security and governance standards and

frameworks.

• Work with client and supplier quality and test organisations to ensure

adequate quality in delivery of complex solutions.

• Ensure that architectures are compliant with industry regulations (e.g., GDPR,

HIPAA) and company security policies, and ensure appropriate security

controls are implemented across all solutions.

• Work closely with client and supplier teams, and stakeholders to ensure that

architectural strategies align with both technical and business objectives.

• Identify and mitigate technical risks in supplier solutions and deliveries to

meet stakeholder objectives.

• Develop and maintain architectural standards, design patterns, and

documentation, ensuring a shared understanding of technical solutions.

Capturing/documenting architectural decisions.

The Fit:

We are looking for someone with experience of senior technical leadership, including

defining architectures and being responsible for the technical success of large-scale

mission-critical systems. In addition, you will:

• Have expert level experience of application and integration architectures.

• Extensive experience of systems integration and working with large IT

Services organisations.

• Experience of secure solutions delivery.

• Experience of working with architecture methods, tools and frameworks.

• Experience defining technology roadmaps, technology transformation

strategies and transitional architectures.

• Project management aspects, particularly for planning, and risk and

dependency management.

• Ability to create, document and communicate architectural, strategic and

solution delivery aspects

Due to the industries we work in, we require the successful candidate to be able to obtain high level security clearance. To qualify for this, you must be a British citizen and have lived permanently in the UK for the last 5 years.

Why work for us?

IIG has the culture and feel of a small business, paired with the benefits of our position in a much larger organisation. The Technical Architect role is an excellent opportunity, and CACI reward their staff well with a competitive salary and impressive benefits package which includes:

• Flexi-time: 37.5 hour weeks to structure how you want. • Hybrid working: Work from one of our offices or from home - you choose • L&D: Budget for conferences, training courses and other materials. • Social: Fantastic culture with monthly social events. • Future You: Matched pension and health care package.

We offer a great L&D package including 5 days external training, a career coach and guilds to share innovation and learning. We also offer self-directed career progression, that fosters opportunities for success for us and our business.

We take great pride in taking care of our talent, providing a highly dynamic, inclusive and team-led environment where everyone can thrive.

Equal Opportunities:

CACI is proud to be an equal opportunities employer. Embracing the diversity of our people, we are on a journey to build a truly inclusive work environment where no one is treated less favourably due to ethnic origin, age, gender, veteran status, religion or belief, sexual orientation, marital status, and disability or health condition, actively working to pre vent discrimination.

As a Disability Confident employer, we will;

• Provide reasonable adjustments in the recruitment process where requested (contact a member of the recruitment team on 020 7602 6000 to discuss individual requirements further).

• Offer people with health conditions and disabilities, meeting the minimum criteria for a role, an interview.

Our people are unique and we encourage, and support them, to be confident in contributing to our inclusion journey.

IIG – Lead Solution Architect position

Job Title: Lead Solution Architect - Cloud-Based Systems

Location: Remote / Occasionally Bromley/Croydon

Must have or be eligible for UK Security Clearance.

About the Role:

We are looking for an experienced and highly skilled Lead Solution Architect with expertise in cloud-based architectures to join our team. You will play a pivotal role in designing, implementing, and overseeing advanced cloud infrastructure solutions for mission-critical systems. With at least 8 years of experience, including deep knowledge of security architecture on cloud platforms, you will provide technical leadership and strategic direction in building scalable, secure, and resilient cloud-native systems based on AWS, Kubernetes, Kafka, microservices, Java, and event-driven design.

Key Responsibilities

• Cloud Architecture Design: Lead the design of cloud-based systems and solutions, utilising AWS and modern architectural patterns such as microservices, event-driven architectures, and serverless computing to meet both current and future business needs.

• Cloud Security: Develop and implement robust security architectures for cloud solutions, ensuring data protection, regulatory compliance, and alignment with industry best practices (e.g., AWS IAM, encryption, VPC, security monitoring, and auditing).

• Containerisation & Orchestration: Architect and oversee containerised environments using Kubernetes, ensuring high availability, scalability, and fault tolerance for critical applications.

• Event-Driven Systems: Architect event-driven systems using Kafka, designing and managing messaging frameworks to handle real-time data processing across distributed microservices.

• Microservices Architecture: Design and oversee the development of microservices-based systems, establishing best practices for modularity, scalability, and maintainability, with a focus on Java-based backend services.

• Technical Leadership: Provide technical leadership and mentorship to architecture and development teams, guiding them through complex technical challenges and architectural decisions.

• Security & Compliance: Ensure that cloud architectures are compliant with industry regulations (e.g., GDPR, HIPAA) and company security policies, and implement security controls across the infrastructure.

• CI/CD & Automation: Champion the development of CI/CD pipelines, infrastructure as code (IaC), and automation to enable fast and reliable delivery of cloud services.

• Work closely with DevOps, engineering teams, product management, and stakeholders to ensure that architectural strategies align with both technical and business objectives.

• Performance & Cost Optimisation: Drive performance tuning, cost optimisation, and cloud resource management strategies to maximise efficiency and minimise cloud spend.

• Risk Management: Identify and mitigate technical risks in cloud-based systems and infrastructure.

• Documentation & Best Practices: Develop and maintain architectural standards, design patterns, and documentation, ensuring a shared understanding of technical solutions.

Skills, Knowledge and Expertise

• Degree in Computer Science, Software Engineering, Information Technology, or a related field or professional equivalent maybe considered.

• 8+ years of experience in designing and implementing large-scale, distributed cloud systems, with a strong focus on AWS.

• Extensive experience with cloud security architecture, including knowledge of AWS security best practices (e.g., IAM, network security, encryption).

• Deep expertise in containerisation technologies (Docker) and Kubernetes for orchestration in production environments.

• Proven experience in designing and implementing event-driven architectures, with strong expertise in queue-based systems including Kafka.

• Strong background in microservices architecture and hands-on experience with Java-based backend systems.

• In-depth understanding of CI/CD pipelines, infrastructure as code (e.g., Terraform, CloudFormation), and automated deployment processes.

• Excellent communication and leadership skills, with the ability to collaborate effectively with cross-functional teams and provide technical mentorship.

• Experience with monitoring and logging tools (e.g., Prometheus, Grafana, ELK Stack) and cloud cost optimisation strategies.

Preferred Skills:

• AWS certification(s) (e.g., AWS Certified Solutions Architect, AWS Certified Security – Specialty).

• Experience with other cloud platforms (e.g., Azure, GCP). • Familiarity with serverless architectures and AWS Lambda. • Expertise in compliance standards such as GDPR, HIPAA, SOC2, and ISO 27001. • Experience with advanced security practices such as zero-trust architecture,

encryption key management, and security incident response.

Why Apply?

• Lead role with the ability to influence key architectural decisions. • Opportunity to work on cutting-edge cloud technologies and large-scale projects • Employer pension contribution of up to 5% • 25 days holiday + bank holidays • Continuous learning and development opportunities, including cloud

certifications. • Training allowance • A collaborative and innovative work environment.

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Position Description Form

Document Name Position Description

Document Number QMF207

Job Title Group IT Manager

Department IT

Reports to Chief Financial Officer (CFO)

Employment Status Full-time x Part-time Temporary Trainee

Hours worked 40 hours per week Pay period Monthly

Date Reviewed October 2024 Reviewed by LJM

Purpose of position: This is a standalone IT role to ensure a robust and high performing IT infrastructure is in place, to support the delivery of business objectives and ensure maximum efficiency. The IT Manager will be responsible for implementing the IT strategy across the Group and ensuring the correct processes and structure is in place.

Reports to: Chief Financial Officer (CFO)

Skills/Attributes required: • Hands-on approach and a versatile IT skill set, ready for strategic planning and daily operations

• The ability to communicate effectively with stakeholders, including senior management, to provide updates and recommendations

• Problem-Solving: Strong analytical and problem-solving abilities

Education/Experience required: • Extensive experience in system management and IT leadership roles

• Technical expertise in IT infrastructure and systems administration, with proficiency in networking and security

• Excellent ERP support experience • Proficiency in User Support, including Office 365, SharePoint

and Teams

Certificate/License required: N/A

Primary Responsibilities: • Identify, develop and implement IT strategies and improvement opportunities that align with the company's goals and objectives

• Identify gaps in IT across the Group and implement processes to overcome these

• Manage and monitor controlled access to the company's network and associated systems

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• Evaluate potential IT investments and identify areas of organisational growth

• Roll out training and educate employees across the Group on system use

• Manage user’s rights on local infrastructure & access control • Deliver comprehensive 1st, 2nd, and 3rd line support to

internal users on business systems • Ensure robust cybersecurity measures are in place to

safeguard the business against potential threats • Responsible for ensuring the ERP system is fit for purpose

and meets internal stakeholder requirements • Accountable for facilitating software and hardware upgrades,

ensuring they are delivered successfully and within budgetary limits

• Work with other departments as and when necessary to support with the implementation of automation

• Manage the IT and telecoms budgets • Liaise with third party IT support provider to ensure the

Group is receiving the best service • Be the point of escalation for all technical issues • Set up IT equipment and systems for new team members and

ensure new employees have a detailed IT induction • Resolve other day to day issues as and when they arise

Performance Objectives: • Ensure the IT infrastructure is reliable and robust

Key Performance Indicators (KPIs):

TBC

This Job Description forms part of the contract of employment of the person appointed to this post. It reflects

the position at the present time only, and may be changed at the discretion of the management. As a general

term of employment the Company may affect any necessary changes in job content, or may require the post

holder to undertake other duties, at any location in the Company, provided that such changes are appropriate

to the employee's remuneration and status.

Director Authorisation

Name Date

Employee Signature Date