Operations Assistant/ Asystent/ Asystentka ds. Operacyjnych

Amentum is a global leader in advanced engineering and innovative technology solutions, trusted by the United States and its allies to address their most significant and complex challenges in science, security and sustainability. Our people apply undaunted curiosity, relentless ambition and boundless imagination to challenge convention and drive progress. Our commitments are underpinned by the belief that safety, inclusion and well-being are integral to success. Headquartered in Chantilly, Virginia, we have more than 53,000 employees in approximately 80 countries across all 7 continents.

In Poland, Amentum offices are located in Warsaw and Kraków. The latter is our Global Delivery Organization (GDO) hub, employing over 130 professionals across both Project Delivery (Project Services and Creative Sales Services) and Corporate Functions (HR, IT, Accounting, Payroll, and Financial Planning & Analysis).

We are currently looking for an Operations Assistant to join our Kraków office on a basis of a full-time employment contract in a hybrid work model. 

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

The role is to support the Business Operations Team in Energy & Environment International Business Unit (E&EI), to manage the development and delivery of all operational strategies and solutions to support growth and meet the business plan objectives. 

The Operations Assistant will support the team to ensure all operational and reporting requirements are understood correctly and properly, to deliver high-standard services.

Key responsibilities will be: 

• Co-ordinate all candidate submissions to client utilising client portals ensuring all data is correct

• Co-ordinate all Domestic and Global assignments (where necessary) terms and conditions, processing information and liaising with our third-party supplier

• Maintain accurate data for trackers, staff lists and organisational charts of new starters and leavers from relevant framework / project

• Support to the Operations Team for the maintenance of dashboards for metric and KPI reporting for relevant Framework / Project / Function publication to the wider E&EI Leadership Team and Business

• Co-ordinate all training requirements from the relevant framework / project, liaise with the Deputy Operations Manager to ensure all development requirements are met

• Liaise with relevant framework / project for good news stories / events / celebrations to be included in E&EI Newsletters and Town Halls.

• Admin Support to the relevant framework / project / function

• Maintain E&EI Business Calendar and ensure all meetings, events and business drumbeat activities are added for Energy & Environment International Leadership Team

• Attending business meetings, where necessary to take Notes / Action Points and chasing actions through to completion

Requirements

• Excellent interpersonal & communication skills

• Ability to work on own initiative with little supervision or direction

• Must be well organised, courteous, reliable & have a strong work ethic

• Ability to deliver a high-quality service with a focus on attention to detail

• Excellent Excel, numerical & analytical skills

• Proficient in the English language 

• Experience of working in a busy & demanding role

• Enthusiastic, keen & committed to deliver an excellent service

We offer:

• International work environment with a unique company culture that promotes individual career growth and work-life balance

• Opportunities for personal development

• A friendly and supportive team atmosphere

• The chance to participate in various projects and improvements

• A hybrid or stationary working model based on your preference

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

• Short Fridays (6-hour workdays)

• A benefits package that includes medical care, life insurance, a My Benefit cafeteria with co-financing for sports activities, psychological support

• A modern office in an attractive location

We know that if we are inclusive, we’re more connected, and if we are diverse, we’re more creative. We accept people for who they are, regardless of age, disabilities, gender identity, gender expression, marital status, mental health, race, faith or belief, sexual orientation, socio-economic background, and whether you’re pregnant or on family leave.

As a Disability Confident employer, we will interview all disabled applicants who meet the criteria for a vacancy.

If you require further support or reasonable adjustments with regards to the recruitment process (for example, you require the application form in a different format), please contact the team.
 

       

Compensation Details:

Information regarding the salary for this position will be shared at later stages of the recruitment process, in a way that ensures transparent and well-informed negotiations.

       

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:

08/05/2026 - 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.