Senior Network Engineer - TS​/SCI eligible

Senior Network Engineer

Location: Washington, DC - Onsite
Clearance Requirement: Active Top Secret with SCI eligibility
Salary Range: $145,000 to $155,000 (based on experience)

At RCG, we're more than just a federal contracting company - we're a team of innovators, problem-solvers, and collaborators. Proudly Certified as a Great Place to Work, we are committed to building a culture where people can grow, contribute, and thrive while delivering exceptional IT services to government clients.

We are seeking a Senior
Network Engineer to support enterprise network operations for a large federal agency in Washington, DC. This position requires an active Top-Secret clearance with SCI eligibility and involves working onsite within a secure government facility. The ideal candidate will have a deep understanding of LAN/WAN environments, network performance optimization, and security compliance.

• Administer, operate, and maintain network devices, including routers, switches, load balancers, and firewalls.
• Provide network operational support, ensuring system reliability, performance, and security.
• Collaborate with System Owners, ISSOs, and SMEs across network, security, and virtualization disciplines.
• Design, build, and implement scalable, fault-tolerant LAN/WAN architectures.
• Configure and optimize network connectivity for front-end and back-end components.
• Analyze customer requirements and develop integrated IT and network solutions.
• Develop and maintain documentation, reports, and network topology records.
• Monitor and troubleshoot network performance issues using diagnostic and monitoring tools.
• Lead testing, installation, and integration of new network systems and upgrades.
• Provide technical guidance and mentorship to network support personnel.
• Research and evaluate emerging network technologies to enhance operational capabilities.
• Support system security accreditation and compliance activities.
• Participate in disaster recovery planning and testing.
• Implement automation and proactive monitoring to ensure SLA compliance and high availability.

• Active DoD Top Secret clearance with SCI eligibility (must already possess or be able to obtain).
• Minimum of 10 years of related experience OR minimum bachelors of science, degree in Computer Science, Information Systems, Engineering, Business, or a scientific or technical discipline and 5 years' experience.
• Proficiency with Cisco, Dell, Palo Alto
  , and other enterprise-grade networking equipment.
• Active certifications such as CCNA, CCDA, CCDP
  , or higher.
• Demonstrated experience with LAN/WAN design, monitoring, and troubleshooting.
• Strong understanding of network performance tools
  , traffic analysis, and capacity planning.
• Familiarity with firewalls, intrusion detection/prevention systems (IDS/IPS), and TACLANEs
  .
• Excellent analytical, documentation, and communication skills.
• Ability to coordinate with multidisciplinary teams in high-security environments.

• Experience supporting federal government network operations and accreditation processes.
• Familiarity with virtualization, cloud integration, and advanced network automation tools.

• Proudly Certified as a Great Place to Work - fostering inclusion, collaboration, and innovation.
• Competitive compensation and benefits package.
• Opportunities for career advancement and professional certification support.
• Make a direct impact supporting mission-critical national security operations.

RCG, Inc. does not discriminate against qualified individuals based on their status as protected veterans or individuals with disabilities and prohibits discrimination against all individuals based on their race, color, religion, sex, sexual orientation/gender identity, or national origin. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.