Senior Network Security Engineer

General information

Requisition # R60847 Locations USA-WV-Clarksburg Posting Date 06/02/2025 Security Clearance Required Top Secret Remote Type Onsite Time Type Full time

Description & Requirements

Transform the future of federal services with ManTech! Join a vibrant, energetic team committed to enhancing national security and public services through innovative tech. Since 1968, we’ve partnered with Federal Civilian sectors to deliver impactful solutions. Engage in exciting projects in Digital Transformation, Cybersecurity, IT, Data Analytics and more. Ignite your career and drive change. Your journey starts now—innovate and excel with ManTech!

ManTech seeks a motivated, career and customer-oriented Senior Network Security Engineer. to join our team in Clarksburg WV.

Responsibilities include, but are not limited to:

• Add and manage nodes in Splunk and Riverbed for monitoring purposes and updates monitoring tools using Ansible.
• Interact successfully with both program leads and DOJ partners to ensure objectives are completed on-time.
• Manage information technology security, including backups, firewalls, and routers and provide network security management and support windows servers.
• Resolve routing and Network Address Translation (NAT) issues utilizing tcpdump and other tools and performs system upgrades and implement any new security policies per agency guidance and policy.
• Key contributions include trouble shooting of complex LAN/WAN infrastructure that include routing protocols BGP, EIGRP and Open Shortest Path First (OSPF), VPNs, web proxy, and XML gateway for enterprise web services.
• Work on different networking concepts and routing protocols like BGP, EIGRP, dynamic multipoint virtual private network (DMVPN) and other LAN/WAN technologies and recommends enterprise information assurance and security standards.
• Develops and implements information assurance/security standards and procedures and coordinates, develops, and evaluates security programs for an organization. Recommends information assurance/security solutions to support customers’ requirements and identifies, reports, and resolves security violations.

Minimum Qualifications:                 

• Requires a Bachelor’s degree(in Computer Science , Management Information Systems or related field) or equivalent and 10 years of relevant work experience OR16 years of relevant experience with no degree.
• 5 + years of total experience with 2 + years of current experience in supporting and troubleshooting various computing devices and operating systems.
• Strong technical background, CompTIA A+ certified preferred.
• Proficiency in both networking and cybersecurity technologies and protocols.
• Experience in managing and troubleshooting Linux or Unix base operating systems.
• Experience with Application Layer Gateway (ALG) [Real-time Transpor