Senior Network Engineer; TS​/SCI Poly

• Laurel, MD

Job Title: Senior Network Engineer

Location: Laurel, MD

Employment Type
:
Full Time

Work Arrangement
:
On-Site

Work Site
:
Customer Site

Security Clearance
:
Current Department of Defense (DoD) Top Secret - Sensitive Compartmented Information (TS/SCI) with Polygraph is required.

Due to federal contract requirements, United States Citizenship and position-appropriate security clearance is required.

Braxton-Grant Technologies is seeking a Senior Network Engineer to provide consulting expertise across all aspects of network and cybersecurity management from network design through implementation, maintenance, modernization, and ongoing operations. This role supports infrastructure planning, system integration, proactive monitoring, and the analysis of network and security technologies, including firewalls, IDS/IPS, VPNs, and related security controls. The Senior Network Engineer will play a key role in maintaining the health and security posture of enterprise networks while supporting modernization initiatives, including the transition of legacy systems and applications to hybrid cloud environments.

• Design solutions for and integrate, configure, deploy, test and provide support for several types of network devices, interfaces and methodologies;
• Optimize end‑to‑end system performance and dataflow management;
• Configure the network to connect various front‑end and back‑end components;
• Facilitate the implementation of high‑speed, scalable, fault‑tolerant network topologies as applicable to WAN, SD‑WAN and LAN design;
• Minimize network latency and maximize data throughput through design analysis and network performance monitoring tools;
• Implement specific network solutions to support server requirements to include load‑balancing, VPNs, firewall contexts, and network address translation (NAT) where appropriate;
• Support efficient, repeatable inspection processes to support review of all boundary services including but not limited to firewalls, proxies, and VPNs;
• Coordinate with appropriate dataflow organizations and end‑customer recipients, follow‑on data repositories and tasking organizations;
• Work with System Engineers and cross‑organizational teams to define requirements;
• Work with customers to develop test plans and conduct testing of architecture as required;
• Consult on and engineer next‑generation solutions compliant with Agency policies to meet changing security needs, incorporating industry best practices;
• Provide guidance to Junior Network Engineers;
• Perform fact‑finding, analysis, and development of hypothesis/conclusions, production of final recommendation reports, and delivery of presentations.

• Education:
  
  Bachelor’s degree in Computer Science, Information Systems, Engineering or a related discipline from an accredited college or university is required. Five (5) years of additional IT experience may be substituted for a bachelor’s degree.
• Active TS/SCI clearance with polygraph.
• Ten (10) or more years of related experience.
• At least one of the following certifications:
  • Security+ CE
  • CCNA‑Security
  • CySA+
  • GICSP
  • GSEC
  • CND
  • SSCP
• At least one of the following certifications:
  • Cisco CCNP Enterprise
  • Cisco CCIE (preferred)
  • Aruba Certified Professional
  • Juniper JNCIP
• Demonstrated experience in at least two (2) of the following technical areas: network troubleshooting and diagnostics; router and switch configuration and management;
  Cisco IOS and/or Junos OS administration; firewall technologies; LAN/WAN/CAN architectures; hubs, bridges, and gateways; network packet analysis and monitoring tools; and database tools.
• Understanding of Microsoft Azure networking, AWS, scripting, and virtualization.
• Familiarity with Zero Trust…