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At Amentum, we're not just solving problems; we're engineering the future. Our team is driven by an unyielding commitment to innovation, integrity, and collaboration, tackling some of the most significant challenges in science, security, and sustainability. If you're passionate about making a real impact and want to be part of a community that values ethical excellence, this is the place where your ambition can thrive.
Here, we believe that success comes from continuously pushing boundaries and working together to deliver on our promises. We embrace challenges with confidence and are dedicated to creating a secure and vibrant future for all.
We’ll inspire and empower you to deliver your best work so you can evolve, grow and succeed – today and into tomorrow. We offer an exciting range of opportunities to develop your career within a supportive team who always strive to do the right thing for our people, clients and communities.
People are our greatest asset, and we offer a competitive package to retain and attract the best talent.
In addition to the benefits you’d expect, UK employees also receive free single medical cover and digital GP service, family-friendly benefits such as enhanced parental leave pay and free membership of employee assistance and parental programmes, plus reimbursement towards relevant professional development and memberships.
Work-life balance and flexibility is a key focus area for us. We’re happy to discuss hybrid, part-time and flexible working hours, patterns and locations to suit you and our business.
For our team in Birchwood Park, Warrington we are seeking a Principal EC&I Engineer.
Scope
The candidate will be responsible to lead the CE&I electrical systems design for projects in the FEED pipeline.
The role will involve the production and checking of engineering deliverables to support design development through concept and preliminary phases, and potentially into detail design, and assistance during installation and commissioning borne design queries.
The candidate will be responsible for providing technical support to all aspects of CE&I engineering.
The role requires knowledge and experience in project delivery with experience of optioneering, front-end design and detail design.
Specific Responsibilities Are:
Lead and take responsibility for the delivery of the design aspects of the project. Working with a small integrated design team in the delivery of design packages against milestones. Contribute to the production of multi discipline design documentation such as, but not limited to: Project Requirement Documents, Basis of Design, Project Verification Plans, Quality Plans, Design Justification Report. Determine project requirements independently. Production, Review / checking of design document and CE&I deliverables from a other CE&I engineers/designers. Ability to estimate hours for scope changes or additional works along with outlining supporting schedule for the discipline. Support and contribute to the delivery of Design Reviews. Produce Reports and documentation to comply with CDM. This role requires interface with Integrated Design Team, facility team (including systems engineering), other project functions and must work closely throughout project phases.
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Requirements
Experience of delivering CE&I design packages - Translating user requirements and technical specification into fully engineered, safe and legal design solution. Experience of space management, panel layouts, cable routing, cable management and cable calculations. Have the ability to work as part of an Integrated delivery team, and individually, working within sometimes restrictive time constraints. Demonstrate excellent written and verbal communication skills Have strong interpersonal skills and be able to interact with people at all levels. Process Instrumentation Design. Electrical Power and Services Design at LV. Knowledge of CE&I Safety Systems Programmable Electronic Systems. Radiometric Instrumentation. Understanding and application of the required deliverables and design process for each of the CE&I areas, particularly in front end scoping and early delivery strategy. Estimate & schedule production and progress reporting. The ability to work collaboratively in a team environment is essential.
Our Culture
Our values are built on a strong foundation of safety, integrity, and respect for every individual. People are at the heart of our mission, and we believe in supporting one another through a culture of care and collaboration.
We strive to create a workplace where everyone feels they belong and can thrive. Supporting mental wellbeing and fostering a sense of connection are essential to how we work.
When we embrace different perspectives and work together, we become more innovative, more agile, and more successful.
We partner with VERCIDA, for greater online accessibility please visit www.vercida.com to view and access our roles. As a Disability Confident employer, we will interview all disabled applicants who meet the minimum criteria for a vacancy. We welcome applications from candidates who are seeking flexible working and from those who may not meet all the listed requirements for a role.
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Compensation Details:
GBP
The compensation range or hourly rate listed for this position is provided as a good-faith estimate of what the company intends to offer for this role at the time this posting was issued. Actual compensation may vary based on factors such as job responsibilities, education, experience, skills, internal equity, market data, applicable collective bargaining agreements, and relevant laws.
Benefits Overview:
Our health and welfare benefits are designed to support you and your priorities. Offerings include:
Health, dental, and vision insurance Paid time off and holidays Retirement benefits (including 401(k) matching) Educational reimbursement Parental leave Employee stock purchase plan Tax-saving options Disability and life insurance Pet insurance
Note: Benefits may vary based on employment type, location, and applicable agreements. Positions governed by a Collective Bargaining Agreement (CBA), the McNamara-O'Hara Service Contract Act (SCA), or other employment contracts may include different provisions/benefits.
Original Posting:
06/17/2026 - Until Filled
Amentum anticipates this job requisition will remain open for at least three days, with a closing date no earlier than three days after the original posting. This timeline may change based on business needs.
Amentum is proud to be an Equal Opportunity Employer. Our hiring practices provide equal opportunity for employment without regard to race, sex, sexual orientation, pregnancy (including pregnancy, childbirth, breastfeeding, or medical conditions related to pregnancy, childbirth, or breastfeeding), age, ancestry, United States military or veteran status, color, religion, creed, marital or domestic partner status, medical condition, genetic information, national origin, citizenship status, low-income status, or mental or physical disability so long as the essential functions of the job can be performed with or without reasonable accommodation, or any other protected category under federal, state, or local law. Learn more about your rights under Federal laws and supplemental language at Labor Laws Posters.
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