Senior Automation Test Engineer

As a Senior Test Automation Engineer, you will play a crucial role in ensuring the quality, reliability and scalability of our software products. You will work closely with developers, product managers, and other stakeholders to design, develop, and implement automated testing solutions that meet the needs of our fast-paced, agile development environment. Responsibilities include:

• Leading the design and implementation of automation test strategies to support continuous integration and delivery (CI/CD) pipelines.
• Collaboration with cross-functional teams (developers, QA, DevOps) to understand requirements, define test plans, and build effective test automation solutions.
• Developing and maintaining automated test suites for functional, regression, performance, and security testing.
• Analyze test results, identify issues, and provide actionable insights to improve product quality.
• Ensure high test coverage and performance efficiency across multiple platforms and environments.
• Participate in code reviews, pair programming, and contribute to improving overall code quality and standards.
• Mentor and guide junior SDETs and QA engineers on best practices in test automation, test-driven development (TDD), and behavior-driven development (BDD).

Our Test Engineers enjoy working on a variety of interesting and challenging projects, so we want our team to have a proactive and can-do attitude to our work. We pride ourselves on keeping up with emerging technologies and deliver best-practice, so it is important that you enjoy learning and continuous improvement. For this opportunity:

• We are looking for experienced Test Engineers with a passion for Automation testing, with expertise using Selenium, Java and AWS
• Experience with CI/CD tools like Jenkins
• Proficient in API testing using tools like Postman, RestAssured, or similar
• Strong knowledge of software testing methodologies, including TDD, BDD, and continuous testing

Our ideal candidate is someone who thrives in a dynamic environment, leading the charge in test automation and ensuring the highest quality standards for our software solutions., Due to nature of the sector this role would prefer applicants to hold high level security clearance. To qualify for this, you must be a British passport holder and have lived permanently in the UK for the last 5 years.

We take great pride in taking care of our talent, providing a highly dynamic, inclusive and team-led environment where everyone can thrive. We value every member of our business, and strive to be a place you’re excited to work.

IIG has the culture and feel of a small business, paired with the benefits of our position in a much larger organisation. We offer a great L&D package including up to 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.

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, sex, gender identity, veteran status, religion or belief, sexual orientation, marital status, and disability or health condition, actively working to prevent 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 to discuss individual requirements further).
• Offer people with health conditions and disabilities, meeting the minimum criteria for a role, an interview.