Network Engineer

Amentum, a global leader in critical mission support, engineering, technology, and national security solutions, is seeking a Network / Security Engineer to support a contract based in El Paso, TX. The Network / Security Engineer is responsible for designing, implementing, securing, and maintaining enterprise network infrastructure while ensuring the confidentiality, integrity, and availability of information systems. This role blends advanced networking expertise with hands-on security engineering, focusing on secure network architecture, threat prevention, monitoring, and incident response. The engineer works closely with IT, cybersecurity, and operations teams to deliver resilient, secure, and scalable network solutions. PRIMARY RESPONSIBILITIES Network Engineering Design, configure, and maintain secure LAN, WAN, and wireless network architectures. Implement routing, switching, and network segmentation to support performance and security requirements. Support network expansions, technology refreshes, and infrastructure modernization initiatives. Troubleshoot complex network issues across multi-site environments. Security Engineering Design and implement network security controls including firewalls, IDS/IPS, VPNs, and network access control. Configure and maintain secure remote access and site-to-site connectivity. Monitor network traffic and security events to identify threats, vulnerabilities, and anomalies. Support containment, remediation, and recovery activities for security incidents. Monitoring & Operations Implement and maintain network and security monitoring tools. Perform log analysis and traffic inspection to detect and investigate suspicious activity. Support vulnerability identification and remediation related to network infrastructure. Architecture & Risk Reduction Apply secure-by-design principles to network architecture and system integrations. Support risk assessments related to network and perimeter security. Recommend improvements to strengthen network resilience and reduce attack surfaces. Documentation & Collaboration Maintain accurate network diagrams, configurations, and security documentation. Develop and update standard operating procedures and technical guidelines. Collaborate with cybersecurity analysts, system administrators, and application teams. Support audits, inspections, and compliance activities as required. MINIMUM REQUIREMENTS Three (3) to seven (7) years of of experience in network engineering, security engineering, or a combined role. Strong hands-on experience with: Routing and switching technologies Firewalls, VPNs, and network security appliances TCP/IP, OSI model, and network troubleshooting Experience securing enterprise or multi-site networks. Ability to analyze complex network and security issues and implement effective solutions. Must be able to obtain and maintain facility credentials/authorization. Note: US Citizenship is required for facility credentials/authorization at this work location. EDUCATION Bachelor’s degree in Information Technology, Computer Science, or in a similar discipline preferred; two (2) years of experience in related field may be substituted for each year of the four (4) years of college. Preferred Qualifications Experience with enterprise firewall platforms and intrusion detection/prevention systems. Familiarity with security monitoring and log analysis tools. Experience supporting high-availability or mission-critical environments. Industry certifications such as: CCNA / CCNP Security+ CISSP (or Associate) Vendor-specific network or security certifications KEY COMPENTENCIES Secure network design and architecture Advanced troubleshooting and problem resolution Risk-based security decision making Clear technical documentation Cross-functional collaboration WORK, ENVIRONMENT, PHYSICAL DEMANDS, AND MENTAL DEMANDS May require on-call support and participation in incident response activities. Work may include data centers, network closets, and secure facilities. Strict adherence to organizational security and operational policies is required. 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. This position is pending contract award. Compensation Details: TBD 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. #J-18808-Ljbffr