Senior Data Analyst

At Amentum, we believe that data tells a story — and we're looking for a Data Analyst Sr. who can help us read between the lines. If you're passionate about using analytics to solve complex challenges, improve performance, and support mission-critical decisions, we want to hear from you. 

As a Senior Data Analyst, you won’t just crunch numbers — you’ll lead high-level functional and systems analysis efforts that shape how our organization and our clients operate. You’ll play a vital role in identifying trends, uncovering inefficiencies, and recommending actionable solutions grounded in data, experience, and hands-on insight. 

This is more than just a technical role — it’s a leadership opportunity. You’ll act as a trusted advisor across multiple teams, applying your deep expertise to guide decision-makers through the full analysis cycle: from initial planning and data gathering to interpretation and implementation. Your contributions will directly impact organizational effectiveness and the mission success of those we support. 

If you're ready to use your skills to influence change, drive innovation, and be recognized as an authority in your field — join us at Amentum and transform data into meaningful action. 

Work Schedule: 8 hours 5 days a week within the hours of 6:00am – 6:00pm 

Essential Responsibilities:

As a Data Analyst Sr. at Amentum, your days will be dynamic, intellectually engaging, and mission-focused. You’ll be a key player in turning complex data into strategic insights that drive organizational success. On a typical day, you can expect to:

• Collaborate with stakeholders across business, technical, and leadership teams to gather data requirements and understand business challenges.
• Extract, clean, and validate large data sets from various sources to ensure accuracy and consistency for analysis.
• Develop advanced data models, dashboards, and visualizations to identify trends, forecast performance, and support decision-making.
• Perform root cause analyses to uncover underlying issues and identify areas for process or performance improvement.
• Lead high-level system and functional analysis efforts to recommend data-driven enhancements to business processes or system design.
• Prepare and deliver technical reports, executive briefings, and visual storyboards that communicate complex findings in an accessible, actionable format.
• Mentor junior analysts and cross-functional teams, sharing best practices and providing guidance on tools, methodologies, and data strategy.
• Engage in continuous improvement initiatives, evaluating existing systems and procedures and recommending scalable, data-backed solutions.
• Monitor key operational metrics, such as inventory trends and resource allocation, and develop models to improve forecasting and efficiency.
• Serve as a subject matter expert, offering insight and leadership on analytics best practices, emerging tools, and industry trends.

This role calls for someone who thrives under pressure, is technically exceptional, and can see both the big picture and the fine details. Your ability to multitask, stay organized, and lead through complexity will be critical to your success.

Minimum Requirements (Knowledge, Skills, and Abilities):

• Bachelor’s degree in Data Science, Statistics, Computer Science, Information Systems, Business Analytics, or a related field.
• 5+ years of experience in data analysis, business intelligence, or related analytical roles.
• Proven experience extracting, cleaning, and validating large data sets from multiple sources for analysis.
• Strong proficiency in analytical tools and languages such as:
  • SQL (T-SQL, PL/SQL)
  • Excel (advanced functions, pivot tables, etc.)
  • Python or R (for statistical analysis or data wrangling)
• Experience with data visualization and dashboarding tools, such as:
  • Power BI, Tableau, or Qlik
• Ability to translate complex analytical insights into clear, actionable recommendations through reports, briefings, and visualizations.
• Strong communication and interpersonal skills, with the ability to interact with technical and non-technical stakeholders at all levels.
• Demonstrated experience conducting root cause analysis and using data to drive business or operational improvements.
• Strong organizational and time-management skills with the ability to manage multiple tasks under tight deadlines.

Clearance Required:

• TS SCI with Poly

Minimum Education:

• Bachelor’s degree in Data Science, Statistics, Computer Science, Information Systems, Business Analytics, or a related field.

Minimum Years of Experience:

• Related discipline with five (5) years of which at least three (3) years specialized experience.

5+ years of experience in data analysis, business intelligence, or related analytical roles. 

Proven experience extracting, cleaning, and validating large data sets from multiple sources for analysis. 

Strong proficiency in analytical tools and languages such as: 

• SQL (T-SQL, PL/SQL) 

• Excel (advanced functions, pivot tables, etc.) 

• Python or R (for statistical analysis or data wrangling) 

Other Responsibilities:

Safety - Amentum enforces a safety culture whereby all employees have the responsibility for continuously developing and maintaining a safe work environment. As appropriate, each employee is responsible for completing all training requirements and fulfilling all self-aid/buddy aid responsibilities, participating in emergency response tasks and serving on safety committees and teams.

Quality - Quality is the foundation for the management of our business and the keystone to our goal of customer satisfaction. It is our policy to consistently provide services that meet customer expectations. Accordingly, each employee must conform to the Amentum Quality Policy and carry out job activities in compliance with applicable Amentum Quality System documents and customer contracts. Each employee must read and understand his/her Quality Management and Customer Satisfaction responsibilities.

Procedure Compliance - Each employee must read, understand and implement the general and specific operational, safety, quality and environmental requirements of all plans, procedures and policies pertaining to his/her job. Qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, sexual orientation, gender identity, disability or protected veteran status.

#javelin

Compensation Details:

$185k - $190k

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:

11/11/2026 - 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.