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Network Administrator

Network Administrator

ManTechLaurel, MD, US
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Mantech seeks a motivated, career and customer-oriented Network Administrator with a focus on Cisco Networks to join our team in Laurel, MD .

You will be part of a mission-driven team delivering enterprise infrastructure capabilities to support a global workforce engaged in national defense operations

Responsibilities include, but are not limited to :

  • Maintain and upgrade network infrastructure, including routers and switches
  • Update and configure antivirus software and other tools to secure the network
  • Apply Security Technical Implementation Guide (STIG) updates to switches and follow Software Test and Evaluation (STE) policies
  • Design and plan Cisco NEXUS network infrastructure, including setup and ongoing maintenance
  • Configure Remote Authentication Dial-In User Service (RADIUS) for switch administration
  • Use network monitoring and management tools such as Solarwinds to oversee network performance
  • Must be willing to work a flexible schedule between 6 : 00am-6 : 00pm and may be assigned to an evening patching schedule

Minimum Qualifications :

  • Bachelor’s degree in a technical discipline from an accredited college or university with 12+ years of experience as a Network Administrator. 3 additional years of Network Administration experience with an associate’s degree OR 8 years of additional experience and a high school diploma might be substituted
  • Demonstrated experience downloading software and upgrading Cisco switches and firewalls
  • Strong technical background in Cisco FirePower Firewalls
  • IAT II certification (DoD 8140 required within 60 days of starting employment.  Acceptable certifications include CCNA-Security / CySA+ / GICSP / GSEC / Security+ CE / CND / or SSCP)

    • Preferred Qualifications :

  • Familiarity with configuring, scripting, and managing Unix, RHEL and Windows operating systems
  • Familiarity with Scanboy
  • Familiarity with JIRA ticketing system
  • Familiarity with Enclave environments
  • Familiarity with Solarwinds
  • Familiarity using LatteART and XACTA

    • Clearance Requirements :

  • Must have a current / active TS / SCI with Polygraph

    • Physical Requirements :

  • The candidate must be able to move, carry, and deliver workstations from the office to the customer’s desk
  • The person in this position must be able to remain in a stationary position 50% of the time
  • Must communicate with co-workers, management, and customers via email, phone, or virtual meetings, which may involve delivering presentations. Must be able to exchange accurate information in these situations.
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    Network Administrator • Laurel, MD, US

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