Senior Assistant Structural Engineer/ Starszy Asystent/ Starsza Asystentka Projektanta Konstrukcji

Join Our New Integrated Delivery Solutions teams in Kraków and Warsaw!

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 diversity and ethical excellence, this is the place where your ambition can thrive.

We believe 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. If you're ready to join a team that values your unique perspective and is committed to your safety, well-being, and professional growth — we’d love to hear from you.

We’re building something exciting in Kraków and Warsaw — a new Integrated Delivery Solutions team (IDS) and we are looking for a Senior Assistant Structural Engineer/
Starszy Asystent/ Starsza Asystentka Projektanta Konstrukcji.

The selected candidate will be employed by Critical Mission Services Sp. z o.o., part of Amentum.

About the Role
The Senior Assistant Structural Engineer will support Amentum’s Integrated Delivery Solutions (IDS) team in delivering structural engineering inputs for design and construction projects across highly regulated sectors (e.g., infrastructure, industrial, energy). You will contribute to structural analysis and design tasks, support preparation of engineering deliverables, and work closely with multi‑disciplinary teams and senior engineers.
At this level, you will be building your technical knowledge, developing familiarity with processes, project governance, and client requirements. You will work on a range of straightforward engineering assignments, receiving a moderate level of guidance and direction, with increasing independence as competence grows.
Although the role is based in Poland, projects primarily follow UK/European standards, with possible exposure to US codes.

Key responsibilities

• Develop 3D models and 2D drawings for concrete and steel structures

• Support structural analysis and design under senior engineer supervision

• Perform calculations and checks for structural elements using finite element method or hand calculation, preparing calculations reports

• Work in BIM environments (Revit / Tekla), including model reviews and clash checks

• Work in Staad Pro, SAP2000, IdeaStatica, Mathcad

• Coordinate with multi‑disciplinary teams

Core Competencies

• Technical Foundations: Solid understanding of structural engineering principles for RC and steel

• Learning Orientation: Demonstrates continuous learning and is actively acquiring higher‑level knowledge and skills.

• Problem Solving: Able to solve straightforward engineering problems using standard methods and supervision.

• Guidance & Independence: Works independently on simpler tasks; requires moderate guidance on more complex ones.

• Communication: Clear written and verbal communication in English and Polish; able to summarise engineering work concisely.

• Collaboration: Effective team player within multi‑disciplinary and international teams.

• Quality & Accuracy: Good attention to detail; follows procedures and applies feedback to improve quality.

• Digital & BIM Awareness: Comfortable working in digital environments; ability to interact with BIM models.

• Company Knowledge: Actively builds understanding of Amentum’s structure, governance, and project delivery processes.

Qualifications - External

• Degree in Civil or Structural Engineering (BSc/MSc).

• 2-5 years of relevant experience in structural engineering

• Experience using Eurocodes (EN 1990–1999)

• Experience in Revit and/or Tekla

• Experience in RSAP, Staad Pro, SAP2000 or other finite element software.

• Fluent in English (B2 or higher) and Polish.

• Willingness to learn and work within highly regulated sectors (defence, energy, industrial).

We Offer

• International working environment and unique company culture fostering individual career growth and work-life balance

• Personal development opportunities and training in industry-leading tools

• Friendly and supportive team atmosphere

• Participation in global projects and process improvements

• Full-time employment contract with competitive salary

• Benefits package including medical care, life insurance, My Benefit cafeteria with co-financing for sports activities, employee wellbeing support program

• Flexible working hours (start between 7:30–10:00)

• Short Fridays (Monday to Thursday we work 8,5h, Friday is a 6-hour workday)

• Office based work, with occasional work from home

• Modern office in an attractive location

Our Commitment to Inclusion

We know that if we are inclusive, we’re more connected — and if we are diverse, we’re more creative. We welcome people for who they are, regardless of age, disability, gender identity or expression, marital status, mental health, race, faith or belief, sexual orientation, socioeconomic background, or family status.

#IDSPLSTRUC

Compensation Details:

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:

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.

Welcome

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About Us

For more than 100 years, Amentum has tackled the world’s toughest challenges to deliver agile and steadfast solutions to the U.S. government and its allies. With more than 50,000 employees on all seven continents and in more than 60 countries, Amentum delivers a broad range of operational support services to meet the critical needs of our clients. Our headquarters are in Chantilly, VA. Find us online at https://www.amentum.com/

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