Purpose and Impact: In support of a challenging, critical, and rewarding program that provides integrated voice, video, and data services throughout the Information Technology lifecycle, Amentum is seeking a Staff Network Engineer to join our dynamic team of IT professionals dedicated to fostering a positive and collaborative work environment. You must be a critical thinker, have a strong work ethic, and be able to work independently or as a member of a team in a dynamic environment. We value candidates who are detail-oriented while also being able to think and react quickly to emerging and unique problem sets. To be successful, you must be able to rapidly adapt and learn how to operate the front and back end of new products and processes. Work Schedule: 5 Days (Mon – Fri); 8 hrs/Day; 40 hrs/wkly Essential Responsibilities: The duties and responsibilities of the Staff Network Engineer include, but are not limited to the following: Assist in managing multiple projects and initiatives under the guidance of senior engineers using standard systems development life cycle models (i.e. INCOSE V, Waterfall, etc.). Provide support for local and wide area networking, communications, and related hardware/software in a multi-platform environment, under the mentorship of senior team members. Support the operations of information systems, including computer and communications systems, LAN/WAN administration, system security, and operational procedures. Collaborate with team members to assist in analyzing and developing new hardware requirements and assist in preparing specifications for hardware acquisitions. Research emerging technologies and support the evaluation of new solutions for integration into the network, such as mobile and transportable systems, Virtualization, and Software Defined Networking (SDN). Assist in reviewing and updating network designs and site design packages. Work alongside senior engineers to design and plan network communication systems. Support the creation of documentation for network designs and operations. Participate in maintaining and updating technical documentation for integration projects and ongoing network operations. Help identify and troubleshoot performance, security, and technical issues, escalating them to senior team members when needed. Assist in the implementation and maintenance of DISA STIG requirements. Stay updated on technological advancements and help evaluate vendor products under the guidance of senior engineers. Minimum Requirements (Knowledge, Skills, and Abilities): Must have active Top-Secret clearance with SCI or TS with the ability to acquire SCI Familiarity with basic networking concepts such as TCP/IP, routers, switches, and firewalls. Strong interest in learning about network design, monitoring, and troubleshooting. Basic understanding of LAN/WAN concepts and experience working with Cisco routers and switches (or similar technologies). Willingness to learn how to configure, monitor, and maintain network hardware and software. Knowledge of internetworking protocols (TCP/IP, DNS, DHCP, etc.) is a plus. Ability to work well in a team and effectively communicate technical information. Basic experience with network monitoring tools (such as SolarWinds, Syslog, SNMP) is a plus. Must be able to work a 40-hour work week, normally Monday through Friday.  Ability to work overtime during critical peaks and be available to meet last-minute requests for overtime if needed.  Ability to travel (5-10%) primarily within 75 miles. Familiarity with MS Office applications such as Excel, Word, Outlook, SharePoint, Project, and Visio.   Exceptional attention to detail; excellent verbal and written communication skills; strong critical thinking, organizational, time-management, and problem-solving skills.     Ability to work both independently and as part of a team in a dynamic environment.   Clearance Required: Must have active Top-Secret clearance with SCI or TS with the ability to acquire SCI  Minimum Education: High School Diploma Minimum Years of Experience: 4 years of relevant experience Required Certifications: Must possess the Cisco Certified Network Associate Certification (CCNA) and one of the following 8140 IAT Level II or III baseline certifications: Level II certs include – CCNA Security, GISCP, GSEC, Security+ CE, SSCP Level III certs include – CASP CE, CCNP Security, CISA, CISSP (or Associate), GCED, GCIH Preferred Qualifications: Bachelor’s degree in IT related field 4 – 8 years of relevant experience ITIL v4 Certification ServiceNow experience Experience with installation and configuration of enterprise network and systems infrastructure devices, cabling, and operational best practices Understanding of Active Directory, MECM, DHCP, DNS, Cisco IOS, SolarWinds, and Remedy #javelin #jointhepack #servicenow #ccna #ccnp #cisco #osimodel #networkengineer This position is not designated as a safety sensitive position. 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. 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: $120,000 - $150,000 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: 10/23/2026 - 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 https://www.amentum.com/ If you need a reasonable accommodation for any part of the employment process, please complete our Accommodation Request. Requests for accommodation will be considered on a case-by-case basis. If you need assistance, please reach out to [email protected] EEO including Disability/Protected Veterans Labor Laws Posters Amentum has become aware of unauthorized individuals who are falsely using the Amentum name and /or logo in an attempt to solicit fees from potential job seekers. These deceptive and unauthorized individuals are soliciting money, promising placement in a position with Amentum. Please note any communication requesting any amount of money in exchange for employment with Amentum is fraudulent. These communications do not originate from Amentum and are not associated with the recruitment process. Amentum and its affiliates never charge candidates fees or payments of any kind in order to secure employment. As a precaution, we recommend you do not disclose personal or financial details to anyone as a response to an unsolicited email, social media, or dating website request. Amentum will never as ask for a placement fee or any other fee to expedite the hiring process. If you are contacted by anyone offering employment with Amentum, you should never be asked to pay a fee for recruiting. Amentum personnel will always send email from an identifiable corporate account (ending in @amentum.com) and never from a public email account like Yahoo!, Google, Gmail, or Hotmail. If you are contacted regarding a fraudulent employment proposal, we encourage you to alert your local law enforcement agency/police authority. To read more about Amentum’s commitment to ethics, please click here.

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