Senior Linux Administrator

Purpose and Impact: Our contract supports more than 12 efforts with varying levels of hardware and software development requirements. Our projects are focused on front end equipment configuration/maintenance, back-end repositories, front end dashboards, as well as everything in between for the full data processing thread. Our teams can range from one to two developers to a team of 12. All of our teams work right alongside our customer to discuss requirements, identify solutions, and choose the way forward for implementation. As part of an engineering office, our customer and our workforce look and plan for future expectations- continuously trying to stay ahead of the next challenge. This position is for a team of three contractors that work directly with the customer to support multiple projects. The focus for this position is primarily security compliance to maintain and renew Authority to Operate (ATO) Status. This position will also ask the candidate to support projects on other needs as well: migration to new baselines, incorporating new technologies for the project application, and building/reporting for health and monitoring dashboards. Applications and baselines are operating predominantly in a virtualized architecture. Work Schedule: Monday- Friday: Normal schedule. Specific start/end times can be determine by candidate and the team for best schedule needs. Essential Responsibilities: Provides support for implementation, troubleshooting and maintenance of Information Technology (IT) systems. Provides support to IT systems including day-to-day operations, monitoring and problem resolution for all of the client/server/storage/network devices, mobile devices, etc. Provides support for the escalation and communication of status to agency management and internal customers. Provides support for the dispatch system and hardware problems and remains involved in the resolution process. Configures and manages LINUX operating systems and installs/loads operating system software, troubleshoots, maintains integrity and configures network components along with implementing operating systems enhancements to improve reliability and performance. Capabilities: Provides support for implementation, troubleshooting and maintenance of IT systems Provides support for hardware problems and remains involved in the resolution process Configures and manages LINUX operating system and installs Creates bash shell scripts to aid in system stability and deployment repeatability Manages the daily activities of configuration and operation of IT systems Provides Tier I (Help Desk) problem identification, diagnosis and resolution of problems Optimizes system operations and resource utilization, and performs system capacity analysis and planning Provides detailed analysis and feedback to management and internal customers for escalated tickets. Loads operating system software, troubleshoots, maintains integrity and configures network components Creates bash shell scripts to aid in system stability and deployment repeatability Provides support for implementation, troubleshooting and maintenance of IT systems Manages the daily activities of configuration and operation of IT systems Provides Tier I (Help Desk) problem identification, diagnosis and resolution of problems Optimizes system operations and resource utilization, and performs system capacity analysis and planning Provides support for hardware problems and remains involved in the resolution process Provides detailed analysis and feedback to management and internal customers for escalated tickets Loads operating system software, troubleshoots, maintains integrity and configures network components Configures and manages LINUX operating system and installs Minimum Requirements (Knowledge, Skills, and Abilities): 9 years or more experience as a Linux Administrator 9 years of experience of bash programming 7 or more years of Perl/Python programming experience 7 or more years of Linux (Redhat/Centos 5 or greater) experience Knowledge of web technologies (html, xml, Java2E, etc_) 3 or more years of experience with virtualization 3 or more years of experience with Puppet 3 or greater Clearance Required: TS/SCI with Poly Minimum Education: Bachelors Degree in Computer Studies or related technical disciple from an accredited college or university is required. Minimum Years of Experience: Nine (9) years of experience is required. Four additional years of experience are required if the candidate does not have a Bachelors degree in a technical field. Preferred Qualifications: Kubernetes/docker/containerization 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. As part of our commitment to maintaining a safe and compliant work environment, Amentum is a drug-free workplace and requires all personnel to comply with company drug and alcohol policies as a condition of employment. Employment is contingent upon successful completion of the drug screening process. Please note that this may include pre-hire screening for marijuana, as well as other federally controlled substances due to Amentum’s role as a federal contractor and trusted partner to the US Government. #javelin #ICpoly Compensation Details: $180,000 - $235,000 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: 06/10/2026 - 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. Welcome back! We encourage you to check on the status of your current job applications with us. You can also search for a list of our current job openings and see if there are any new positions that might be a good fit for you. Thank you for continued interest in employment with Amentum. For more than 100 years, Amentum has tackled the world’s toughest challenges to deliver agile and steadfast solutions to the U.S. government and its allies. With more than 50,000 employees on all seven continents and in more than 60 countries, Amentum delivers a broad range of operational support services to meet the critical needs of our clients. Our headquarters are in Chantilly, VA. Find us online at If you need a reasonable accommodation for any part of the employment process, please contact us by email at View email address on click.appcast.io and let us know the nature of your request and your contact information. Requests for accommodation will be considered on a case-by-case basis. 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