Payroll Specialist, UK
Job Summary
At Amentum were not just solving problems were 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 youre 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 youre ready to join a team that values your unique perspective and is committed to your safety well-being and professional growth wed love to hear from you.
For our team in Krakow we are seeking a Payroll Specialist who will focus on the United Kingom.
The selected candidate will be employed by Critical Mission Services Sp. z o.o. part of Amentum.
Responsibilities
Payroll Processing - processing new hires employee changes terminations processing hours and pay for all employees completing appropriate documentation and checklists accurately and timely.
Payroll Audits - finalize and balance payroll totals using internal tools perform all necessary reviews and audits to reports produced by outsourced vendors such us Gross to Net payment reports etc.
Reporting create and modify payroll related reports to support the needs of departments and customers.
Customer Service provide a consistently high-level of customer service and manage escalated cases and service requests within the SLA requirements. Partner with HR/Accounting/Benefits & Compensation/Tax Department and managers/supervisors to ensure that a strong business relationship is maintained.
Quarter/Year End Support provide quarter and year-end support in the form of research and review of such things as wage & tax adjustments out of balance reports un-reconciled accounts statutory requirements etc.
Process Documentation/Training create/update process documentation to include work instructions and process flows. Assess current processes to streamline and gain efficiency.
Knowledge knowledge of end-to-end transactions including highly technical and complex payrolls. Research and find creative solutions to solve payroll issues in an increasingly changing environment.
Teamwork support other team members as a subject matter expert mentor and coach. Participate in team and company initiatives to support the we mentality vs. I. Work collectively as a team to ensure that we meet our monthly metric goals of processing with minimal errors worked performed with SLA timeframes and positive employee feedback.
Requirements
Bachelors degree in finance
Fluency in English verbal and written
Minimum 4 years of global payroll experience with companies having 1000 employees
Intermediate to Advanced software skills and experience with Microsoft Excel including pivots lookups filtering and sorting
Basic proficiency and experience with Microsoft Word Power Point and Visio.
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 7:3010:00)
Short Fridays (Monday to Thursday we work 85h. Friday is a 6-hour workday)
Hybrid or stationary working model based on your preference
Modern office in an attractive location
Our Commitment to Inclusion
We know that if we are inclusive were more connected and if we are diverse were 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.
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-OHara Service Contract Act (SCA) or other employment contracts may include different provisions/benefits.
Original Posting:
05/05/2026 - Until FilledAmentum 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 atLabor Laws Posters.
Required Experience:
IC
About Company
AMENTUM has an immediate opening for a Logistics Operations Center Analyst II USC in Kuwait.Performs mission/resource analysis coordinates with supply, maintenance and transportation functional areas and ensures supporting requirements and implied tasks are accomplished to standard an ... View more