Software Engineer

Russell Taylor Group; Reading; On-site; GBP 100,000 - 125,000; Full time

Job summary

A recruitment agency is seeking a DV Cleared Software Engineer for a 12-month contract in Aldermaston. The role involves designing and programming Siemens PLC systems, providing technical leadership, and ensuring software delivery meets project requirements. Ideal candidates must have active DV clearance and extensive experience with PLC commissioning. This is an on-site position, primarily focusing on secure defense environment projects, with a daily rate of £650 to £750.

Benefits

Outside IR35

High-security projects

Qualifications

• Active DV clearance is essential.
• Strong experience programming Siemens PLCs from scratch.
• Background in on-site commissioning and testing of PLC systems.

Responsibilities

• Design and develop Siemens PLC systems from scratch.
• Lead all software activities on a project.
• Produce on-site test documentation.

Skills

Programming Siemens PLCs

On-site commissioning of PLC systems

Technical leadership

Client communication

Education

Degree in a relevant engineering discipline

Job description

Vacancy Title: DV Cleared Software Engineer Contract Type: Contract Location: Reading Industry: Mechanical & Electrical Engineering TECHNICAL & ENGINEERING Salary: £650 - £750 per day Start Date: 2026-01-15 Duration: 12 months REF: J91986352 Contact Name: Ben Evans Contact Email: [e-mail] Vacancy Published: 1 day ago

DV Cleared Senior Software Engineer

Aldermaston - Onsite

12-month contract | Outside IR35

Are you a DV cleared Software Engineer who can take full ownership of software delivery on site? Do you enjoy building Siemens PLC solutions from scratch in secure, regulated environments? Looking for a long-term contract with a strong on‑site engineering focus?

What's in it for you

• £650 to £750 per day
• Outside IR35
• 12-month contract
• 4-5 days onsite per week
• Work on high‑security, technically challenging projects

What will you be doing?

• Designing, developing and programming Siemens PLC systems from scratch
• Leading all software activities on an assigned project
• Configuring Siemens PLCs, HMIs and associated networks
• Producing on‑site test documentation and supporting FATs and SATs
• Carrying out on‑site testing and commissioning of PLC systems
• Acting as the technical interface with the client during delivery
• Providing technical leadership, mentoring and support to other engineers
• Ensuring software delivery meets programme, budget and quality requirements

Where you'll be doing it

You’ll be based on site in Aldermaston, working within a highly secure defence environment on mission‑critical control system projects.

What you'll need

• Active DV clearance (essential)
• Strong experience programming Siemens PLCs from scratch
• Background in on‑site commissioning and testing of PLC systems
• Experience working in secure or regulated environments
• Ability to technically lead software activities and support junior engineers
• Confident communicator, comfortable working directly with clients
• Degree‑level qualification in a relevant engineering discipline (or equivalent experience)

We appreciate your CV may not be up to date. No problem, just apply and we can deal with that later.

Important Information: We endeavour to process your personal data in a fair and transparent manner. In applying for this role, Russell Taylor will be acting within your interest and will contact you in relation to the role, either by email, phone or text message. For more information see our Privacy Policy on our website. It is important you are aware of your individual rights and the provisions the company has put in place to protect your data. If you would like further information on the policy or GDPR please get in touch with us here .

Apply Now >