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- Tasks: Join us to develop cutting-edge GPS Anti-Jam Systems for military applications.
- Company: Raytheon UK, a leader in defence and aerospace technology.
- Benefits: Enjoy competitive salaries, flexible working, and generous holiday allowances.
- Why this job: Make a real impact on national security while growing your skills in a collaborative environment.
- Qualifications: Degree in STEM or relevant industry certification; experience in systems engineering preferred.
- Other info: Flexible working culture with opportunities for volunteering and professional development.
The predicted salary is between 43200 - 72000 £ per year.
Date Posted: 2026-02-05
Country: United Kingdom
Location: Harlow
Contract: Permanent
Hours: Full time (37 hours)
At Raytheon UK, we take immense pride in being a leader in defence and aerospace technology. As an employer, we are dedicated to fuelling innovation, nurturing talent, and fostering a culture of excellence. Joining our team means being part of an organisation that shapes the future of national security whilst investing in your growth and personal development.
This is an exciting opportunity for a Senior Systems Engineer to work within the Raytheon Assured Position Navigation and Timing Systems team, part of the wider Systems & Products business unit, to produce Digital GPS Anti-Jam Systems and Alternative Navigation Solutions for the military market.
The role will provide support across Raytheon’s range of APNT products, providing Systems Engineering expertise across the product lifecycle, from requirements capture, analysis, design through to testing, qualification, and certification activities.
Skills and Experience- Experience across the systems engineering lifecycle from requirements through to project completion.
- Experience with generation of technical documentation at all levels.
- Understanding of policies, practices and procedures, and the ability to communicate these to their team.
- Ability to work in a team and perform to project directives.
- Ability to work autonomously, with limited oversight from Team Leaders and Management.
- Degree in STEM (Science, Technology, Electrical Engineering, Mathematics) or similar industry certification.
- Knowledge of GNSS systems and receiver characteristics.
- Experience with the IBM Rational DOORS toolset.
- Experience with RF (including Antennas) and Digital Hardware design and test.
- Experience in verification & validation, including environmental and EMC testing.
- Algorithm development incorporating Modelling experience in MATLAB/Simulink.
- Experience with SysML or UML in a Systems Engineering environment.
- Experience with configuration management systems.
- Supporting our flagship and next generation products, this role will provide support to the APNT System Design Authority and Systems Engineering Lead with the development and management of system architecture and requirement.
- System definition and analysis, generation of technical procedures and reports.
- Participation in engineering design reviews, generation of bid proposal material, response to customer technical requests, production support and obsolescence management.
- Undertake development studies and investigation activities involving product performance and interfacing with various internal stakeholders.
- The role will involve working in a highly technical environment, supporting the team as well as working autonomously.
- Laboratory work will be involved for product testing.
- Taking on complex challenges and producing a solution that follows company process in a timely manner is an essential part of the role.
- A successful candidate will be comfortable integrating into a large team to accomplish their goals.
- Competitive salaries.
- 25 days holiday + statutory public holidays, plus opportunity to buy and sell up to 5 days (37hr).
- Contributory Pension Scheme (up to 10.5% company contribution).
- Company bonus scheme (discretionary).
- 6 times salary ‘Life Assurance’ with pension.
- Flexible Benefits scheme with extensive salary sacrifice schemes, including Health Cashplan, Dental, and Cycle to Work amongst others.
- Enhanced sick pay.
- Enhanced family friendly policies including enhanced maternity, paternity & shared parental leave.
- Car / Car allowance (dependant on grade/ role).
- Private Medical Insurance (dependant on grade).
37hr working week, although hours may vary depending on role, job requirement or site-specific arrangements. Early 1.30pm finish Friday, start your weekend early! Remote, hybrid and site based working opportunities, dependant on your needs and the requirements of the role. A grownup flexible working culture that is output, not time spent at desk, focussed. More formal flexible working arrangements can also be requested and assessed subject to the role. Please enquire or highlight any request to our Talent Acquisition team to explore the flexible working possibilities. Up to 5 paid days volunteering each year.
Senior Systems Engineer - APNT in Harlow employer: Pratt & Whitney
Contact Detail:
Pratt & Whitney Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Senior Systems Engineer - APNT in Harlow
✨Tip Number 1
Network like a pro! Reach out to current or former employees at Raytheon UK on LinkedIn. A friendly chat can give you insider info and maybe even a referral, which can really boost your chances.
✨Tip Number 2
Prepare for the interview by brushing up on your technical knowledge. Make sure you can discuss your experience with systems engineering and any relevant tools like IBM Rational DOORS. Confidence in your skills will shine through!
✨Tip Number 3
Show your passion for defence and aerospace technology during interviews. Talk about how your values align with Raytheon's mission to enhance national security. It’s all about connecting your personal goals with their vision!
✨Tip Number 4
Don’t forget to apply through our website! It’s the best way to ensure your application gets seen. Plus, it shows you’re serious about joining the team at Raytheon UK.
We think you need these skills to ace Senior Systems Engineer - APNT in Harlow
Some tips for your application 🫡
Tailor Your Application: Make sure to customise your CV and cover letter for the Senior Systems Engineer role. Highlight your experience in systems engineering and any relevant projects you've worked on that align with the job description.
Showcase Your Skills: Don’t forget to emphasise your technical skills, especially those related to GNSS systems and RF design. We want to see how your expertise can contribute to our APNT team!
Be Clear and Concise: When writing your application, keep it straightforward and to the point. Use clear language to describe your experiences and achievements, making it easy for us to see why you’re a great fit.
Apply Through Our Website: We encourage you to submit your application through our website. It’s the best way for us to receive your details and ensures you’re considered for the role. Plus, it’s super easy!
How to prepare for a job interview at Pratt & Whitney
✨Know Your Systems Engineering Lifecycle
Make sure you brush up on your knowledge of the systems engineering lifecycle. Be ready to discuss your experience from requirements capture to project completion, as this is crucial for the role. Highlight specific projects where you’ve successfully navigated this process.
✨Technical Documentation is Key
Prepare to talk about your experience with generating technical documentation. Bring examples of reports or procedures you've created, and be ready to explain how they contributed to project success. This shows you understand the importance of clear communication in engineering.
✨Showcase Your Teamwork Skills
Raytheon values collaboration, so be prepared to share examples of how you’ve worked effectively in a team. Discuss any challenges you faced and how you overcame them together. This will demonstrate your ability to integrate into their large teams.
✨Familiarise Yourself with Relevant Tools
If you have experience with tools like IBM Rational DOORS, MATLAB/Simulink, or SysML/UML, make sure to mention it. Even if you’re not an expert, showing familiarity can set you apart. Do a bit of research on these tools if you haven’t used them recently.
