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Network Administrator, Cisco ISE

MANTECH

Posted today

Job Requirements

Doral, FL
Top Secret/SCI Polygraph Unspecified
Career Level not specified
Salary not specified
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Job Description

MANTECH seeks a motivated, career and customer-oriented Network Administrator to join our team in Doral, FL.

Responsibilities include but are not limited to:
  • Configuring, deploying, and maintaining Cisco Identity Services Engine (ISE) for enterprise network access control, 802.1X authentication, and posture assessment.
  • Managing and administering enterprise routers, switches, firewalls, and network infrastructure components across mission networks.
  • Developing, implementing, and enforcing network security policies, profiling rules, and guest access workflows within Cisco ISE.
  • Troubleshooting complex network connectivity issues, authentication failures, and access control policy enforcement points.
  • Conducting routine system maintenance, vulnerability patching, firmware updates, and baseline configuration management for network devices.
  • Collaborating with cross-functional engineering teams, cybersecurity staff, and site leadership to maintain optimal network uptime and security compliance.
  • Maintaining accurate technical documentation, network diagrams, baseline configurations, and operational inventories.


Minimum Qualifications:
  • Bachelor's degree in Computer Science, Information Technology, Network Engineering, or a related field with 5+ years of experience in network administration.
    • OR a master's degree and 3+ or more years of relevant experience
    • OR an associate's degree and 7+ or more years of relevant experience
    • OR a high school diploma and 9+ or more years of relevant experience
  • Proven experience configuring, administering, and troubleshooting Cisco Identity Services Engine (ISE) in an enterprise environment. Strong background in enterprise routing, switching, 802.1X authentication, RADIUS/TACACS+ protocols, and network access control (NAC).
  • Hands-on experience with network device configuration, patch management, and baseline configuration controls. Experience creating, maintaining, and communicating complex information technology documentation and network diagrams.


Preferred Qualifications:
  • Relevant professional certifications such as Cisco Certified Network Associate (CCNA), Cisco Certified Network Professional (CCNP Security/Enterprise), or Cisco ISE Specialist certification.
  • Prior experience supporting U.S. Military Command operations or Department of Defense enterprise network environments.
  • Familiarity with DoD STIG compliance, network vulnerability scanning, and secure baseline auditing procedures.
  • Demonstrated ability to collaborate effectively across multi-disciplinary engineering teams in dynamic operational settings.


Clearance Requirements:
  • Must hold a current/active top secret security clearance.


Physical Requirements:
  • Must be able to remain in a stationary position 50%.
  • Needs to occasionally move about inside the office to access file cabinets, office machinery, etc.
  • Frequently communicates with co-workers, management, and customers, which may involve delivering presentations. Must be able to exchange accurate information in these situations.
group id: RTX14564a
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About Us
For over half a century, we have been where our clients are: land, sea, air, space and cyberspace. We collaborate across sectors and capabilities to deliver next-generation technology, tools, training and seasoned personnel.
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MANTECH Jobs


Job Category
IT - Hardware
Clearance Level
Top Secret/SCI
Employer
MANTECH