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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 Transport Protocol (RTP), Real-Time Streaming Protocol (RTSP) and File Transfer Protocol (FTP), Domain Name System (DNS), Hypertext Transfer Protocol (HTTP)], Dynamic Host Configuration Protocol (DHCP).

+ CompTIA Security+ certified, CompTIA Advanced Security Practitioner (CASP+) certified or Cisco Certified Cybersecurity Professional (CCCP) preferred.

+ Experience working in an Agile organization using Scrum, XP, Kanban, and SAFe.

Preferred Qualifications:

+ Bachelor’s degree in computer science, information systems, engineering, or a related field is preferred

Security Clearance Requirements:

+ Must be a US citizen with a current/active Top Secret clearance.

Physical Requirements:

+ Must be able to remain in a stationary position more than 50% of the time.

+ Constantly operates a computer.

+ Frequently communicates with co-workers, management and customers, which may involve delivering presentations. Must be able to exchange accurate information in these situations.

ManTech International Corporation, as well as its subsidiaries proactively fulfills its role as an equal opportunity employer. We do not discriminate against any employee or applicant for employment. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran.

If you are a qualified individual with a disability and require a reasonable accommodation to apply for a position with ManTech through its online applicant system, please email us at [email protected] and provide your name and contact information.