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Senior Cisco ISE Network Engineer

ManTech

Doral, FLJobSeen todaySeen in employer's feed today

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At a glance

Compensation
No compensation found
Location
Doral, FL
Work Authorization
US work authorization required

Olive lists jobs from US employers, including remote roles you can work from the United States.

Requirements

Credentials this posting asks for.

Top Secret clearance

Job overview

ManTech seeks a Senior Cisco ISE Network Engineer to support enterprise Cisco Identity Services Engine infrastructure across multi-site mission networks in Doral, Florida. The role focuses on network access control, authentication, integrations, system maintenance, and tier-3 incident resolution. Candidates need a qualifying combination of education and network engineering experience, hands-on Cisco ISE expertise, and an active top secret security clearance.

Skills & qualifications

RequiredNice to have

Skills

Cisco ISENetwork EngineeringEnterprise RoutingSwitching802.1X AuthenticationRADIUSTACACS+Network Access ControlCCNP SecurityCCIECisco DNA CenterSD-AccessFirepowerSIEM PlatformsU.S. Military Command OperationsDepartment of Defense Networks

Qualifications

Bachelor's in Related Field or Equivalent ExperienceMaster's or Equivalent ExperienceAssociate's or Equivalent ExperienceHigh School Diploma or Equivalent Experience5+ Years Network Engineering3+ Years Relevant Experience7+ Years Relevant Experience9+ Years Relevant ExperienceActive Top Secret Clearance

Full job description

MANTECH seeks a motivated, career and customer-oriented Senior Cisco ISE Network Engineer to join our team in Doral, FL .

Responsibilities include but are not limited to:

  • Designing, deploying, configuring, and maintaining enterprise Cisco Identity Services Engine (ISE) infrastructure across multi-site mission networks.

  • Developing, implementing, and enforcing 802.1X authentication, posture assessment, profiling, and guest access policies.

  • Integrating Cisco ISE with Active Directory, PKI infrastructure, network access devices, firewalls, and security operations tools.

  • Managing RADIUS and TACACS+ protocols to enforce role-based access control, device administration standards, and network segmentation.

  • Conducting software upgrades, patch management, performance tuning, and vulnerability remediation across Cisco ISE nodes.

  • Monitoring system health, analyzing network access logs, and resolving complex tier-3 network security and authentication incidents.

  • Maintaining comprehensive network documentation, including architecture diagrams, implementation plans, and standard operating procedures.

Minimum Qualifications:

  • Bachelor’s degree in Computer Science, Information Technology, Network Engineering, or a related field with 5+ years of experience in network engineering.

  • 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).

Preferred Qualifications:

  • Cisco Certified Network Professional (CCNP Security) or Cisco Certified Internetwork Expert (CCIE) certification.

  • Experience integrating Cisco ISE with Cisco DNA Center, SD-Access, Firepower, or SIEM platforms.

  • Prior experience supporting U.S. Military Command operations or Department of Defense enterprise network environments.

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.

MANTECH International Corporation 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 [email protected] and provide your name and contact information.

How this job compares

Set against the 4,123 open Network Engineer jobs on Olive Jobs, counted November 6, 2026.

Pay
  • This postingNot listed
  • Florida median$102–166K/yr73 salary ranges
  • US median$51–62/hr173 hourly ranges
Openings
Olive Jobs lists 121 open Network Engineer jobs in Florida and 4,123 across the US. 5% of them nationwide are listed as remote or flexible.
Hiring the most in Florida
Experience
This posting asks for at least 3 years of experience — less than three in four Network Engineer postings that state a minimum ask for (median 5 years, across 3,555 postings).
Education
1,138 of the 4,123 open Network Engineer jobs (28%) ask for a bachelor's degree or higher.

Counted across the open, public US postings on Olive Jobs on November 6, 2026. Pay medians are the middle values of the low ends and of the high ends of postings that list both ends of a range in the same cadence (a yearly salary or an hourly rate); a range's midpoint is halfway between its ends. Pay and experience figures resting on fewer than 20 postings are left out.

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