Systems Engineer - Senior

Amentum; Vienna (VA); Hybrid; USD 150,000 - 165,000; Full time

Benefits offered by this job

Health insurance

401(k) matching

Paid time off and holidays

Educational reimbursement

Parental leave

Employee stock purchase plan

Tax-saving options

Disability and life insurance

Pet insurance

Job summary

Amentum seeks a Top-Secret cleared Systems Engineer to join a mission‑driven team advancing data innovation for national intelligence priorities. You will lead large‑scale data analysis, design on‑prem and cloud apps, and provide hands‑on support for daily network operations and system anomalies.

Responsibilities span troubleshooting, patching, accreditation tasks, SOP creation, and advising leadership on tech investments to enable secure processing, storage and access across complex

Qualifications

• Strong Linux skills and 8+ years of enterprise experience across cloud and on-prem environments.
• Experience with cloud service providers, data centers, virtualization and SaaS/PaaS models.
• Ability to implement security best practices and document architectures and processes.
• Proficient in monitoring, alerting and optimizing cloud and on-prem resources.
• Capability to lead teams or work as an individual contributor on complex tasks.

Responsibilities

• Supervise, coordinate and design network hardware and server environments; test and implement changes.
• Provide day-to-day operations support for network hardware and operating systems; monitor performance.
• Troubleshoot across physical and logical network layers using measurement tools and protocols.
• Plan design and implementation for new network infrastructure hardware and OS for voice/data networks.
• Perform systems management and integration; leverage virtualization and network administration skills.
• Maintain infrastructure standards including TCP/IP and related protocols.
• Advise leadership on technology investments, processing, storage and app development.
• Support certification, accreditation tasks and create SOPs/quick references for users.
• Develop client/server architecture and define the infrastructure to support strategy.

Skills

Linux

Cloud/Hybrid

Network design

Python scripting

Security best practices

Monitoring/diagnostics

Leadership

Education

Bachelor's degree in Information Systems Engineering, Computer Science, Engineering, Business or other related field

Tools

AWS

Splunk

JIRA

Confluence

PowerShell

Job description

Amentum is seeking a Top‑Secret cleared Systems Engineer to join a high‑impact team dedicated to accelerating operations through data innovation and advanced analytical insights. This mission‑driven organization leverages agile practices to deliver enhanced reporting, global search capabilities, and improved task management—supporting national intelligence priorities while ensuring the protection of sensitive data, sources, and methods.

In this role, you will help lead large‑scale data analysis efforts and contribute to the design and delivery of both on‑premises and cloud‑based applications. As a Systems Engineer, you will provide hands‑on support for daily network operations, including evaluating system utilization, monitoring performance, and serving as a primary responder for operational issues and system anomalies.

You will troubleshoot across physical and logical layers of the network—working with measurement hardware, diagnostics tools, communication protocols, and system components to identify, isolate, and resolve issues. This position also performs essential systems management and integration functions, ensuring all systems remain current with approved patches, aligned with security requirements, and optimized for mission success.

Additional responsibilities include supporting certification and accreditation activities, developing SOPs and quick‑reference guides, and advising leadership on technology investments related to processing, storage, data access, and application development. You will also help evaluate the feasibility of future projects, contributing technical insight that shapes long‑term planning and modernization.

This role offers the opportunity to work with advanced technologies, hybrid infrastructures, and mission‑critical data solutions—ideal for engineers who excel in dynamic environments and are motivated by meaningful, national‑level impact.

Work Schedule:

Typically, Monday through Friday 8-hour days onsite. Flexibility within a 2-week pay period to reach 80 hours.

Essential Responsibilities:

• Supervise, coordinate and/or design, develop and perform additions and changes to network hardware, infrastructure server environments, and operating systems, and attached devices, including investigation, analysis, recommendation, configuration, installation, and testing of new network hardware and software.
• Provide direct support in the day-to-day operations on network hardware and operating systems including the evaluation of system utilization, monitoring response time and primary support for detection and correction of operational problems.
• Troubleshoot the physical level of the network, working with network measurement hardware and software, as well as physical checking and testing of hardware devices at the logical level working with communication protocols.
• Participate in planning design, technical review and implementation for new network infrastructure hardware and network operating systems for voice and data communication networks.
• Perform systems management and integration functions. Exhibiting proficiency with virtualization technologies and network administration.
• Maintain network infrastructure standards including network communication protocols such as TCP/IP.
• Provide technical consultation, training and support for IT staff as designated by the government.
• Diagnose and resolve complex communication problems. Perform systems management and integration functions.
• Responsible for design, deployment, evaluating, testing, certification, patching, addressing interoperability issues, not only of the base storage & backup system, but for all features, components, and application dependencies.
• Ensure systems are current with approved patches and assists with certification and system accreditation tasks, composes SOPs, and Quick Reference guides for users.
• Provides top-level technical expertise responsible for design and development of a client/server environment.
• Develops strategy of client/server system and the design infrastructure necessary to support that strategy.
• Advise on selection of technological purchases with regards to processing, data storage, data access, and applications development. Sets standards for the client/server relational database structure for the organization.
• Advises of feasibility of potential future projects to management. Possesses and applies comprehensive knowledge across key tasks and high impact assignments.
• Plans and leads major technology assignments. Evaluates performance results and recommends major changes affecting short-term project growth and success.
• Functions as a technical expert across multiple project assignments.
• May supervise others.

Minimum Requirements (Knowledge, Skills, and Abilities):

• Strong Linux skills
• Minimum of 8 years of experience collectively with the following:
  • Hardware and network designs for large-scale enterprise applications such as but not limited to, cloud service providers, network design and implementation, datacenter experience, network/systems administration, domain administration, virtualization platforms, SaaS, PaaS.
  • Implementing and maintaining security best practices, creating and maintaining documentation for architecture, configuration and processes.
  • Establishing and maintaining monitoring and alerting systems for cloud and on-premises resources
  • Optimizing on-premises and cloud infrastructure for cost efficiency and performance
  • Troubleshooting and resolving issues related to performance and availability
  • Troubleshooting and problem solving
  • As an individual consultant or a team leader
  • Software development
  • Scripting (Python) and programming for automation
  • Monitoring large enterprise production applications
  • Troubleshooting production applications
  • Performance tuning and fault finding
  • Design consulting, platform management, and capacity planning

Security Clearance Required: Active Top-Secret clearance with SCI eligibility

Minimum Education: Bachelor's degree in Information Systems Engineering, Computer Science, Engineering, Business or other related field.

• In absence of degree, additional years of experience may be substituted for educational requirements

Minimum Years of Experience: Minimum of 8 years of experience

Required Certifications:

• AWS Certification (Associates or higher)
  • In absence of Associate AWS Certification, similar level certification in alternate cloud environment would be acceptable

Preferred Qualifications:

• Scripting (PowerShell, JSON, yml)
• Microsoft Endpoint for Defender
• Anti-virus solutions
• Log Management· SSH
• Cross Domain Systems to include Everfox or Forcepoint
• Networking
• Splunk monitoring, triggers, dashboards
• Experience with JIRA for development of requests, setting up triggers and SLAs, tracking of customer requests, reporting issues, requests for information, sprint planning and reviews, and tracking backlog items
• Experience with Confluence for reporting, planning, documenting user processes, storing internal system configurations, publishing roadmaps for executive management and outside stakeholders

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.

Compensation Details:

US:$150,000 - $165,000

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:

09/11/2026 - 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.