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.
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 SCREENINGS
1.Drug Screen
2.Physical Assessment (if applicable)
3.Background Check
4.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 Mission
Successfully 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%
Compensation Details:
$116,159.34 - $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:
07/31/2026 - 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 at Labor Laws Posters.
Skills Required
- Bachelor's degree in Information Technology or other STEM-related field.
- Nine or more years of applicable IT/Services experience.
- Experience with Microsoft 365 (administration and general use).
- Experience with Windows Server operating systems.
- Experience with Active Directory.
- Experience with Microsoft Azure.
- Proficiency with Microsoft Office (Outlook, Word, Excel, Visio, PowerPoint).
- Experience with web conferencing tools (Teams, WebEx) and modern browsers (Edge, Chrome).
- Experience with Palo Alto Networks and Cisco firewalls.
- Experience with Cisco FirePower.
- Familiarity with IPv6.
- Exposure to or skills with NIST SP 800-53 and cybersecurity tools (Splunk, CrowdStrike).
- Excellent written and verbal communication skills.
- Advanced analytical skills to resolve complex issues.
- Knowledge and application of company-specific project management methods; ability to assist with project documentation.
- Ability to install, configure, maintain, and support enterprise business applications, infrastructure systems, networking devices, client endpoints, and end-users.
- Drug screen, background check, driver record screen (and physical assessment if applicable).
- MSCE or similar, CCNA, CCNP Enterprise or CCNP Data Center, and/or PMP certifications.
Amentum Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Amentum and has not been reviewed or approved by Amentum.
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Healthcare Strength — Healthcare offerings are described as comprehensive, with medical, dental, and vision plans and multiple PPO/HSA options. Mental health support via an employee assistance program and other wellness resources is also included in the benefits mix.
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Retirement Support — Retirement support is positioned as a meaningful part of total rewards through a 401(k) plan with employer matching. Profit-sharing contributions and immediate or near-term vesting in some cases further strengthen the retirement value proposition.
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Leave & Time Off Breadth — Time-off benefits are presented as solid for the sector, including tiered PTO accrual by tenure and a set of paid holidays. Role-dependent flexible or remote work options and leave programs add to perceived work-life support.
Amentum Insights
What We Do
Amentum is a premier global technical and engineering services partner supporting critical programs of national significance across defense, security, intelligence, energy, and environment. We draw from a century-old heritage of operational excellence, mission focus, and successful execution underpinned by a strong culture of safety and ethics. Headquartered in Germantown, Md., we employ more than 20,000 people in 48 states and 28 foreign countries and territories. Visit us at amentum.com to explore how we deliver excellence for our customers’ most vital missions.







