Senior Systems Specialist

Job Description

Amentum is a global leader in advanced engineering and innovative solutions, supporting critical missions across defense, intelligence, energy, and civilian sectors. Our people are our competitive advantage, driven by purpose, collaboration, and a commitment to delivering excellence for our customers and communities. We are currently seeking a Sr. Systems Integrator to provide support to the US DOE Office of Legacy Management IT Projects team. The Sr. Systems Integrator will leverage their knowledge and experience to participate on teams to develop key new IT capabilities or to modernize and enhance existing capabilities, artifacts, and processes.

ESSENTIAL DUTIES/RESPONSIBILITIES

Directs the complex design, selection, installation, modification, and operation of an information systems capability. Understands and applies existing, company-specific project management methods. Will typically actively participate in IT Project Management, IT Governance, and IT Operations department meetings to provide status updates, presenting planned configuration changes, assisting in root cause analysis and associated issue resolution, etc.. Viewed as expert in special knowledge & technology as well as operational policy & procedure. Supervise the installation, configuration, maintenance, and support for enterprise business applications and systems. Provide local support to site operations and staff as needed, ranging from infrastructure systems, networking devices and configuration, client endpoints, and end-users. Other duties as assigned.

EDUCATION, LICENSE, CERTIFICATION, and EXPERIENCE

Education

Bachelor’s degree in Information Technology or other STEM-related fields.

Must be able to obtain and maintain facility credentials/authorization.

Note

U.S. Citizenship is required for facility credentials/authorization at this work location.

Experience

9 or more years of applicable and proven experience in Information Technology / Services.

Licenses

None

Certifications

MSCE or similar/equivalent, CCNA, CCNP Enterprise or CCNPD Data Center Certification, and/or PMP certifications preferred

REQUIRED SCREENINGS1.Drug Screen2.Physical Assessment (if applicable).Background Check4.Driver Record Screen

REQUIRED SKILLS/ABILITIES

Excellent communication skills, both written & verbal. Able to translate technical jargon to simple business language. Advanced analytical skills and abilities to derive solutions to resolve complex issues. Understands and applies existing, company-specific project management methods. Develops solutions to resolve project issues. Assists with the creation and/or review of project and/or technical documentation; templates, charters, schedules, plans, design documents, etc.. Experience in the M365 suite of products, spanning both administration and general use.Experience with Windows Server Operating Systems, Active Directory, Azure.Proficiency with Microsoft Office (Outlook, Word, Excel, Visio, PowerPoint,), various web conferencing tools (Teams, WebEx), and various web browsers (Edge, Chrome).Exposure to or skills with any of the following: NIST SP 800-53, Networking, Server Operations or one of the LM Cybersecurity technical systems (Splunk, CrowdStrike, Cisco FirePower, etc.).Experience with Palo Alto Network and Cisco Firewalls.Experience with IPv6.Collaboration and cooperation in various team settings to include physical and virtual environments.

Legacy Management Support (LMS) Organizational Core Values

One Team, One MissionSuccessfully execute the LM mission safely through a disciplined culture of organizational excellence.1.Safety – The foundation of everything we do.2.Teamwork – Leading with trust, open communication, and collaboration.3.Quality – Striving to exceed expectations.4.Ownership – Each of us has the responsibility to contribute and be accountable.

ESSENTIAL PHYSICAL REQUIREMENTS

Aligned with Fit-For-Duty evaluation requirements.

Physical Activities

Light work–significant degree of walking or standing, lifting up to 20 lbs. of force occasionally and/or up to 10 lbs. of force frequently

SUPERVISORY RESPONSIBILITIES

This position does not require any supervisor responsibilities.

EMPLOYMENT-AT-WILL

Employment is at will, unless prohibited by local and/or state laws.

Travel

Less than 10%

Salary

$116,159.34 - $147,072.72

Compensation Details

$67,250.15 - $147,072.72

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

10/21/2026 - 10/21/2026Amentum 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.