Senior Network Administrator

Job Locations US-MD-Linthicum
Requisition ID
2025-154916
Position Category
Information Technology
Clearance
Top Secret/SCI

Responsibilities

  • Design, implement, and maintain a robust and scalable network infrastructure encompassing LAN/WAN technologies, routing protocols, firewalls, load balancers, and network security tools.
  • Proactively monitor network performance, uptime, and capacity, identifying and resolving performance bottlenecks and ensuring optimal network health.
  • Lead troubleshooting efforts for complex network issues, conducting root cause analysis and implementing permanent solutions.
  • Develop and maintain comprehensive network documentation, including diagrams, configurations, and policies.
  • Stay abreast of emerging network technologies and trends, evaluating and recommending new solutions to enhance network performance, security, and efficiency.
  • Collaborate effectively with other IT teams to ensure seamless integration of network infrastructure with other systems and applications.
  • Mentor and guide others to include junior network engineers, fostering their professional growth and development.
  • Ability to participate in on-call rotation, providing after-hours support for critical network incidents.

Qualifications

Required Experience:

  • COMSEC background with experience as the primary COMSEC Responsible Officer
  • Maintain and operate cryptographic equipment and secure data transfer devices
  • Understand and be able to implement AFMAN 17-1302-O
  • Experience troubleshooting circuit issues within a DISA environment.  Including requesting new circuits
  • Previous experience providing engineering and operation services on DoD supported networks
  • Familiarity with routing and switching such as MPLS, VPNs, and protocols such as, but not limited to, BGP, Spanning Tree, VLANs, LLDP, and VoIP
  • Familiarity with Multicast protocols and emerging network technologies
  • Ability to design, implement, and manage Cisco ISE solutions for network access control and identity management
  • Develop and enforce network access policies based on user roles, device types, and security requirements
  • Ability implementing security policies, rule sets and network segmentation on Palo Alto firewalls to protect enterprise environments
  • Ability to perform firewall upgrades, patching, and troubleshooting to ensure firewall availability and functionality
  • Experience performing security assessments and audits of systems and applications against DISA Security Technical Implementation Guides (STIGs)
  • Ability to implement and configure systems according to STIG requirements for both classified and unclassified environments

Minimum Required Qualifications:

  • 8 to 10 years with BS/BA or 6 to 8 years with MS/MA or 3 to 5 years with PhD
  • CCNA Certification
  • IAT II (Security+)
  • Active TS Clearance, SCI eligible

Preferred Qualifications: CCNP Certification

Peraton Overview

Peraton is a next-generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the world’s leading mission capability integrator and transformative enterprise IT provider, we deliver trusted, highly differentiated solutions and technologies to protect our nation and allies. Peraton operates at the critical nexus between traditional and nontraditional threats across all domains: land, sea, space, air, and cyberspace. The company serves as a valued partner to essential government agencies and supports every branch of the U.S. armed forces. Each day, our employees do the can’t be done by solving the most daunting challenges facing our customers. Visit peraton.com to learn how we’re keeping people around the world safe and secure.

Target Salary Range

$112,000 - $179,000. This represents the typical salary range for this position based on experience and other factors.

EEO

EEO: Equal opportunity employer, including disability and protected veterans, or other characteristics protected by law.

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