Sr Principal Network Administrator - TS/SCI
About The Position
Northrop Grumman’s CIDO Classified Solutions team is seeking a Sr. Principal Network Communications professional to support information system lifecycle activities for classified government contracts. The position is based on-site, full-time in Dulles, Virginia; virtual and telecommute work are not available because of the classified work. Travel is 10% of the time. The role leads network architecture, design, integration, implementation, and support for large-scale, multidomain networks serving classified missions. It includes setting long-term architecture roadmaps, maintaining enterprise network standards and security frameworks, supporting network migrations and cyber resilience, and providing advanced monitoring and third-level technical support. The employee also serves as a senior technical liaison to customers and leadership, contributes to proposals and procurement discussions, and mentors team members. The position requires a current U.S. Government Top Secret/SCI clearance and the ability to obtain and maintain a Counter Intelligence Polygraph. The employee may need to work after hours and on weekends, and must lift and move equipment weighing up to 50 pounds.
Requirements
- One of the following education and experience combinations: Master’s degree and 6 years of relevant technical experience; Bachelor’s degree and 8 years; Associate’s degree and 10 years; or high school diploma/GED (or equivalent) and 12 years.
- Current U.S. Government Top Secret/SCI security clearance.
- Ability to obtain and maintain a Counter Intelligence Polygraph as a condition of continued employment.
- Meet U.S. Government 8140 requirements (8570 equivalent) for Administrator – IAT Level II certification or higher; examples include Security+ CE, CND, CCNA Security, SSCP, GICSP, GSEC, and CCISO.
- Demonstrated experience designing and maintaining complex LAN/WAN networks, including analysis and enhancements of routers, switches, and firewalls.
- Experience supporting video teleconferencing and deploying audio/visual technologies in classified environments.
- Willingness to work on-site in Dulles, Virginia; virtual and telecommute options are not available.
- Ability to travel 10% of the time.
- Ability to lift and move equipment weighing up to 50 pounds and work after hours and weekends as needed.
Nice To Haves
- Bachelor’s degree in Network Engineering.
- CCNP certification.
- Experience supporting Cisco Call Managers or similar technologies.
- Experience designing, implementing, and managing large-scale, multidomain network architectures, with expertise in advanced routing, security, and mission-critical systems.
- Experience configuring TACLANEs and/or encryption solutions.
- Experience with Assessment & Authorization processes.
- Experience troubleshooting network procedures and best practices, including network challenges related to systems integration, COTS integration, capacity analysis, and system architecture design.
- Knowledge of NISPOM Chapter 8, DCID 6/3-ICD 503, RMF, STIG, JAFAN, or JSIG information system environments.
- Experience using network analysis tools such as Wireshark, SolarWinds, or Opnet.
- Experience designing, implementing, and troubleshooting advanced WAN protocols (BGP, OSPF, MPLS) and complex telecommunications circuits.
Responsibilities
- Perform senior principal network communications activities in support of classified government contracts.
- Define and execute long-term network architecture roadmaps, including SD-WAN, Zero Trust, and cloud-enabled networking, aligned with enterprise security and compliance requirements.
- Lead the design, integration, and implementation of large-scale, multidomain networks supporting classified missions; oversee network migrations and cyber resilience initiatives.
- Serve as a senior technical liaison to government customers and internal leadership; negotiate requirements, deliver status briefings, and participate in technical forums, proposals, and procurement discussions.
- Author, maintain, and enforce enterprise-wide network standards, policies, and security frameworks; audit compliance and champion continuous improvement.
- Monitor, analyze, and plan for network systems; coordinate third-party maintenance as needed and support environments through ticketing systems such as ServiceNow and JIRA.
- Provide third-level technical support for complex network, hardware, software, and telecommunications issues.
- Develop technical solutions to complex problems, support project designs, clarify requirements, and ensure solutions adhere to established standards.
- Escalate issues requiring management attention, measure performance against KPIs, and implement corrective actions to exceed operational standards.
- Provide senior-level technical expertise and mentor team members.
- Work after hours and weekends as needed.
- Lift and move equipment weighing up to 50 pounds.
Benefits
- Exceptional benefits and healthcare, including health insurance coverage and life and disability insurance.
- 401(k) matching program.
- Company-paid holidays and paid time off for vacation and/or personal business.
- Flexible work arrangements are mentioned generally, though this position is specifically on-site with no virtual or telecommute options.
- Learning opportunities and exposure to a wide variety of projects and customers.
- 9/80 work schedule.
- Employees may be eligible for overtime, shift differential, and a discretionary bonus, depending on the position.
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What This Job Offers
Job Type
Full-time
Career Level
Senior
