Network Engineer III

at  Mantech

SECURE OUR NATION, IGNITE YOUR FUTURE

Become an integral part of a diverse team while working at an Industry Leading Organization, where our employees come first. At ManTech International Corporation, you’ll help protect our national security while working on innovative projects that offer opportunities for advancement.
Currently, ManTech is seeking a motivated, career and customer-oriented Network Engineer III to join our team in Glen Burnie, MD.

REQUIRED QUALIFICATIONS:

• Bachelor’s degree in an IT- related discipline and at least five (5) years of position specific relevant experience
• Must be a United States Citizen
• DoD 8570.01-m IAT Level-II Certification required

• The Network Engineer III plans, designs, and maintains connectivity of enterprise network assets to ensure compliance and secure operations on Classified networks (SIPR, NIPR, JWICS), collaborating with stakeholders to address connectivity requirements and implement necessary configurations to facilitate efficient and secure data transmission.
• They ensure all network switches and routers are operational, properly configured, and compliant with DISA STIG requirements and perform regular maintenance, updates, and troubleshooting of network switches to ensure optimal performance.
• They configure, maintain, and monitor firewall, intrusion protection, intrusion detection systems, and Cisco Identity Services Engine (ISE) for network access control and authentication in accordance with ATO requirements, cybersecurity policies, and standards.
• They implement the necessary security measures to protect specialized systems and networks from unauthorized access and cyber threats and support the planning and implementation of enterprise service connections between networks, systems, and applications across domains.
• They facilitate connections for auditing, authentication, secure cloud computing architecture (SCCA), and Cross Domain Solutions and Guards, ensuring compliance with relevant regulations and standards; collaborate with ISSOs and the ISSM in the Risk Management Framework (RMF) process; and provide inputs and documentation using designated templates and tools (e.g., Microsoft Office, InfoPath, Visio, etc.) to support the security assessment and authorization of TAC systems.
• They are familiar with ServiceNow or similar ticketing systems as well as the ITIL framework and service delivery concepts.
• The Network Engineer III is a senior role with extensive experience managing Classified enterprise networks. The Network Engineer III supervises, and mentors subordinate project and Team ManTech staff.