Network Engineer in NW Washington, District of Columbia at Infinity Technology Services LLC

Essential Functions:

• Design, implement, maintain, and troubleshoot enterprise network infrastructure across classified and unclassified environments.
• Administer and optimize network deployments.
• Support routing and switching operations, including BGP, OSPF, VLANs, STP, and enterprise segmentation.
• Perform advanced root cause analysis and resolution of complex network incidents affecting mission-critical operations.
• Plan and execute network upgrades, patching, and lifecycle refresh efforts with minimal operational impact.
• Develop and maintain network diagrams, SOPs, TTPs, implementation plans, and technical documentation.
• Automate network configuration, compliance, and deployment tasks using scripting and templating tools.
• Implement and maintain DISA STIG-compliant network configurations across enterprise devices.
• Support Zero Trust Architecture (ZTA) initiatives through posture assessment, profiling, policy enforcement, and access control.
• Manage enterprise-scale switch provisioning and configuration standardization efforts.
• Monitor network health, availability, and performance using enterprise management tools.
• Provide technical guidance and escalation support to junior engineers and technicians.
• Coordinate with cybersecurity, systems, COMSEC, and external organizations to support network changes and vulnerability remediation.
• Deliver technical briefings and status updates to leadership and stakeholders.
• Support after-hours maintenance windows and on-call response for mission-critical outages, as needed.
• Up to 10% travel may be required.

Qualifications:

• Bachelor’s Degree in Network Engineering, Information Technology, Cybersecurity, or a related field, and minimum 4 years of prior relevant experience. Graduate Degree and a minimum of 2 years of prior related experience. In lieu of a degree, minimum of 8 years of prior related experience.
• Active U.S. DoW Top Secret security clearance with the ability to obtain SCI access within 6 months of hire.
• 6+ years of experience supporting enterprise network infrastructure in a DoD, federal, or similarly regulated environment.
• Strong hands-on experience configuring, maintaining, troubleshooting, and supporting lifecycle management for Juniper and Cisco network devices.
• Experience applying and maintaining DISA STIG compliance across network devices.
• Experience leading technical training, mentoring junior staff, or serving as a team SME.
• Experience with network automation using scripting, templates, or similar tools.

Preferred Additional Skills:

• Ability to troubleshoot complex network issues across multi-site or large-scale environments.
• Active Security+ CE Certification.