Network Engineer - TS/SCI with Poly

Network Engineer

Location: Linthicum Heights, MD
Clearance Required: TS/SCI with Polygraph
Experience Level: Mid to Senior-Level
Education: Bachelor’s degree in Computer Science, Engineering, or a related field

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Position Overview:

We are seeking a mission-focused Network Engineer to join our client's high-performing team in support of national security initiatives. As part of the infrastructure team, you will play a key role in designing, implementing, maintaining, and troubleshooting secure and scalable networks across classified and high-performance computing (HPC) environments.

This role supports complex computing environments, involving high-speed data transport, system interconnectivity, and integration of advanced technologies in support of real-world mission success.

Key Responsibilities:

• Design, deploy, and maintain network infrastructure in secure and performance-driven environments

• Configure, troubleshoot, and optimize network routers, switches, firewalls, and load balancers

• Manage and monitor network performance, availability, and security

• Implement and enforce network security standards, access controls, and encryption protocols

• Support the integration of mission systems with various COTS, GOTS, and open-source tools

• Work closely with systems engineers, software developers, and cybersecurity professionals to align network configurations with evolving project needs

• Maintain detailed documentation of network topologies, configurations, and procedures

• Support network changes and upgrades using change management best practices

• Perform root cause analysis of network issues and implement corrective actions in real time

Required Qualifications:

• Active TS/SCI with Polygraph

• Bachelor’s degree and 5 years of experience in network engineering or administration

• Experience with enterprise-grade routers, switches, and firewalls (e.g., Cisco, Juniper, Palo Alto)

• Proficiency with TCP/IP, DNS, DHCP, VPNs, NAT, and routing protocols (e.g., BGP, OSPF)

• Familiarity with network security tools and best practices (firewalls, IDS/IPS, VLANs, etc.)

• Hands-on experience with Linux CLI and basic scripting for automation

• Experience with network monitoring tools such as SolarWinds, Nagios, or Wireshark

• Strong troubleshooting and diagnostic skills in complex environments

• Understanding of layered network architectures, high-availability design, and redundant systems

Desired Skills:

• Certifications such as CCNA, CCNP, JNCIS, or Security

• Experience supporting HPC or data-intensive environments

• Familiarity with SDN (Software-Defined Networking) and virtual networking technologies

• Experience with network automation tools such as Ansible or Python scripting

• Understanding of cloud-based networking and hybrid cloud architectures

Our client offers a highly competitive and comprehensive benefits package designed to support your personal and professional growth, while promoting a healthy work-life balance. Benefits include:

• 100% Employer-Paid Health, Dental, and Vision Insurance – Full coverage for employees

• Zero Vesting 401(k) Plan with 10% Company Contribution – Immediate access to all contributions

• 31 Days of Paid Time Off – Includes vacation, personal time, and all federal holidays

• Student Loan Repayment Assistance – Helping you pay down your educational debt

• Unlimited Certification & Training Support – Invest in your professional development

• Flexible Work Environment – Remote work options and flexible scheduling available

• Multiple Incentive Bonuses – Performance-based rewards throughout the year

• Exclusive Company Memberships – Access to curated memberships and employee perks

This package reflects our client’s commitment to empowering their employees with meaningful benefits and recognizing outstanding performance.

We are an Equal Opportunity Employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity or expression, national origin, age, disability, veteran status, or any other protected status under applicable law.