Intern - Senior Accounting Specialist (Summer 2026)

Company Description

Amentum is a leader in global engineering, project management and solutions integration, trusted to modernize the most critical missions anywhere in the world today and in the future. We’re uniquely positioned to deliver solutions faster and solve what’s coming next. We’ve earned our customers’ confidence to rely on us to successfully manage and execute the most complex programs of scale and provide them with solutions they need for an unpredictable world.

Job Description

Amentum seeks an Intern who is interested in gaining practical skills and industry knowledge through tasks and/or projects related to their area of study or career interests. Specifically, the Accounting Department is seeking a Senior Accounting Specialist to provide support in all areas of accounting. During the internship, you will apply your learned accounting skills to the various aspects within the accounting field to include, but not limited to accounts payable, payroll, general ledger, and any other accounting related tasks.

What You'll Do

The future is uncertain. And that’s where we come in. Analyzing data. Anticipating what’s possible. We’re here to solve what’s next and get ahead of the toughest challenges we face. As a Senior Accounting Specialist Intern, your responsibilities may include:

• Assisting with the preparation for month-end close (reviewing and analyzing data).

• Assisting with the objectives of the Accounts Payable department.

• Assisting with the preparation of processing payroll and reporting requirements.

Qualifications

• Currently enrolled and in pursuit of an undergraduate or graduate degree in Accounting or other related field from an accredited college/university. Preference will be given to Juniors and Seniors.
• Have an understanding of accounting principles.
• Have a Cumulative GPA of 3.0 or higher.
• Possess strong written and verbal communication skills.
• Must be a US Citizen.
• Proficient with Microsoft Office tools (Word, Excel, PowerPoint, and Outlook).
• Must complete and have a favorable result on a criminal background check and pre-employment drug screening.

Desired Skills & Expertise

• Exceptional time management and problem-solving skills.

• Strong mathematical and research skills.

• Ability to work individually or in a collaborative team environment.

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.