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iO Associates

SC Cleared Senior Software Engineer

Corsham
£55k – £70k/yr
Posted about 17 hours ago
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Job Title: SC Cleared Senior Software Engineer

Organisation Overview:

Our Client is a leader in innovative technology solutions, specialising in defence and national security sectors. Renowned for fostering a culture of continuous improvement, collaboration, and cutting-edge innovation, they offer a dynamic environment for technical professionals eager to make a substantial impact. With a reputation for excellence, they support their employees with comprehensive benefits, professional development opportunities, and a commitment to their staff's growth and well-being.

Role Summary:

In response to strategic growth initiatives, Our Client is seeking a highly skilled Senior Software Engineer with active SC clearance. This pivotal role involves developing and maintaining mission-critical software systems, supporting the design of scalable, secure, and efficient solutions. The position offers an exciting opportunity to contribute to high-profile projects that enhance national security and technological capabilities, making a meaningful difference in a challenging and rewarding environment.

Responsibilities:

  • Collaborate with multi-disciplinary teams to define, develop, and refine software architecture for complex projects.
  • Design, code, test, and support scalable front-end and back-end systems using modern programming languages and frameworks.
  • Manage source code using industry-standard version control tools, ensuring code quality and consistency.
  • Develop responsive UI components with JavaScript/TypeScript and React, ensuring seamless user experiences.
  • Build robust server-side components employing languages such as Java, Python, or Go, aligned with project requirements.
  • Utilise containerisation tools like Docker to create consistent development, testing, and deployment environments.
  • Lead or participate in the automation of build, test, and deployment processes via CI/CD pipelines to optimise delivery cycles.
  • Conduct code reviews, provide mentoring to junior team members, and foster a culture of continuous improvement.
  • Stay informed on emerging technologies, industry best practices, and security principles relevant to software development.

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I’m in my final year doing Economics and I don’t know whether to apply for grad schemes now or do a masters first. What do you think?

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Graduate Consultant — 2026 Scheme

PwC·London, UK
£35,000/yr

Why you're a good match

Strong

Your economics background and your summer at a regional bank line up with what PwC looks for on the consulting scheme. Applications close in four weeks.

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Why you're a good match

You’ve got the grades and the economics background, and your bank internship is exactly the experience this scheme looks for. Apply soon — deadlines close within the month.

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Experience fit

Your summer at the bank plus your econometrics coursework map directly to the day-one responsibilities on this scheme — client modelling, market briefings, and deal support.

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Essential Skills & Experience:

  • Proven experience as a Software Engineer with a strong focus on secure and scalable systems.
  • Active SC security clearance is mandatory.
  • Proficiency in version control systems, particularly Git.
  • Hands-on experience in front-end development with JavaScript/TypeScript and React.
  • Background in backend development using Java, Python, or Go.
  • Solid understanding of software engineering principles, including data structures and algorithms.
  • Experience with containerisation tools such as Docker.
  • Working knowledge of DevOps practices, including setting up and managing CI/CD pipelines.
  • Excellent communication skills, with the ability to operate effectively within collaborative teams.
  • Ability to assess and select appropriate technologies to meet project goals.

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Desirable & Developing Skills:

  • Experience working with cloud platforms like AWS or Azure.
  • Familiarity with container orchestration tools such as Kubernetes.
  • Knowledge of Agile methodologies and DevSecOps practices.
  • Awareness of web security principles and best practices.
  • Interest or experience with Rust programming language.

Call to Action:

If you possess the necessary skills and active SC clearance, and are eager to contribute to impactful projects within a pioneering organisation, we invite you to submit your CV for consideration. Join a team where your expertise fuels innovative solutions that support national security objectives. We look forward to hearing from qualified candidates ready to make a difference.

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Skills

Software Engineering
SC Clearance
Version Control
JavaScript
TypeScript
React
Java
Python
Go
Docker
CI/CD
Agile
DevOps
Web Security
Rust

Location

Corsham, England, United Kingdom

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