ManTech
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Shape the future of defense with MANTECH! Join a team dedicated to safeguarding our nation through advanced tech and innovative solutions. Since 1968, we’ve been a trusted partner to the Department of Defense, delivering cutting-edge projects that make a real impact. Dive into exciting opportunities in Cybersecurity, IT, Data Analytics and more. Propel your career forward and be part of something extraordinary. Your journey starts now—protect and innovate with MANTECH!
MANTECH seeks a motivated, career and customer-oriented Network Administrator to join our team in Doral, FL.
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.
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.
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.
Must hold a current/active top secret security clearance.
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.
MANTECH considers all qualified applicants for employment without regard to disability or veteran status or any other status protected under any federal, state, or local law or regulation.
If you need a reasonable accommodation to apply for a position with MANTECH, please email us at careers@mantech.com and provide your name and contact information.
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