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Network Engineer

MANTECH

Today
Top Secret/SCI
Unspecified
Unspecified
IT - Hardware
Linthicum Heights, MD (On-Site/Office)

MANTECH seeks a skilled and security-focused Network Engineer to support the Cryptographic Solutions Program within the National Security Systems domain in Linthicum Heights, MD. This opportunity allows you to directly contribute to national defense by securing critical communication infrastructures used by the Department of Defense and Intelligence Community. In this role, you will help design, implement, and safeguard cryptographic networks that ensure data protection, compliance, and mission assurance across highly sensitive environments.

Responsibilities include, but are not limited to:
  • Implement encryption protocols (e.g., SSL/TLS, IPsec) to safeguard data in transit
  • Configure and secure firewalls, routers, and switches within classified environments
  • Monitor network performance and identify anomalies using advanced diagnostic tools
  • Troubleshoot cryptographic implementations and resolve connectivity issues
  • Maintain and update cryptographic systems to address known vulnerabilities
  • Conduct technical risk assessments to evaluate network infrastructure threats
  • Analyze existing cryptographic methods and recommend enhancements or alternatives
  • Collaborate with cybersecurity professionals to meet compliance and certification requirements
  • Develop and maintain comprehensive documentation of network architecture, policies, and procedures

Minimum Qualifications:
  • Bachelor's degree in Network Engineering, Systems Engineering, Information Technology, or related field and 3 years of relevant experience; OR Master's degree in a related field and 1 year of relevant experience; OR 8 years of relevant experience may be substituted for degree
  • Proficiency in securing and troubleshooting core network protocols and components
  • Experience with Nessus, and system administration across Linux/Windows environments
  • Understanding of network security principles including segmentation and monitoring
  • CompTIA Security+ certification or equivalent industry credential

Preferred Qualifications:
  • Background in cryptographic engineering or cybersecurity analysis
  • Familiarity with certification and accreditation processes for secure systems
  • Experience supporting DoD or Intelligence Community infrastructure programs

Clearance Requirements:
  • Must possess a current and active TS/SCI with Polygraph

Physical Requirements:
  • Must be able to remain in a stationary position 50% of the time
  • Occasionally move about inside the office to access file cabinets, office machinery, or to communicate with co-workers, management, and customers, via email, phone, and/or virtual communication, which may involve delivering presentations
group id: RTX14564a

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About Us
As the Employer of Choice in the government services and solutions industry, ManTech seeks like minds who exhibit a sense of service, creativity and dedication. The ManTech family comprises a diverse yet united group of nearly 8,000 talented professionals around the globe, each bringing distinct backgrounds and skill sets to the team. Nearly half of us are veterans.

Our diversity makes us successful. Each team member is a unique piece of the puzzle, coming together to solidify our seamless foundation. As One ManTech, we learn together, we win together and we celebrate together.

Rich educational opportunities and programs help employees break through career barriers. ManTech offers tuition assistance, partnerships with universities and institutions, a Technical Recognition Awards program, professional groups that comprise our Communities of Practice and so much more. Our own acclaimed ManTech University offers instruction and resources needed for professional development.
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MANTECH Jobs


Job Category
IT - Hardware
Clearance Level
Top Secret/SCI
Employer
MANTECH