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Network Engineer​/Subject Matter Expert; SME II Security Clearance

Job in Charleston, Charleston County, South Carolina, 29401, USA
Listing for: MANDEX, INC.
Full Time position
Listed on 2026-01-22
Job specializations:
  • Engineering
    Systems Engineer, Cybersecurity
Job Description & How to Apply Below
Position: Network Engineer/Subject Matter Expert (SME) II with Security Clearance
Network Engineer/Subject Matter Expert (SME) II [Accepting resumes from candidates currently living in one of the following states: SC, NC, GA, FL, MD, VA] MANDEX Inc. currently has a need for a Network Engineer/Subject Matter Expert (SME) II to join our team based in Charleston, SC. This position requires 60% + travel to DoD Military Treatment Facilities worldwide in support of the Defense Health Agency (DHA) LAN/WLAN upgrade/refresh project.

RESPONSIBILITES INCLUDE:
· Participate as a member of the LAN/WLAN Site Survey and Install Team.
· Survey Duties:
Capture switch configurations, document existing fiber interconnects and existing network equipment data. Perform WLAN heatmap walks utilizing Air Magnet software.
· Install Duties:
Independently upgrade switch IOS, Install (rack mount) and configure Layer 2/3 edge switches (Cisco 3850/9300’s, Ruckus ICX-7450/7550’s and Juniper EX4300's).
· Physical ability to lift and install Uninterrupted Power Supplies (UPS) and Battery Packs (70 + lbs.).
· Assist with survey design and install closeout documentation utilizing MS Excel and Visio.

EXPERIENCE:

· A minimum of four (4) years’ hands-on experience configuring Layer 2/3 edge switches (Cisco, Brocade (Ruckus) or Juniper LAN and IP based switches).
· Aruba wireless experience is a plus but not required.
· Python Scripting is a plus but not required.
· Ability to work independently and as part of a team.
· Strong written/oral communication and attention-to-detail is a must.

EDUCATION:

· Security+ CE or equivalent DoD 8570 IAT Level II certification required prior to starting.
· Technical Training in LAN or WLAN Communications required.
· CCNA or other OEM vendor certification highly desired. CWNA certification is a plus. SECURITY:
Current or recent government security clearance (Secret) required.
OTHER:
Extensive travel (60% +) required (U.S. and International).
U.S. Citizenship Required, EOE/M/F/Vet/Disabled.
Passport:
Have or be able to obtain an International Passport (International travel is required to non-combat locations). NOTES:
When deployed, the onsite hours are typically 10–12-hour M-F.
Salary position with Overtime pay authorized when deployed.
Please attach your resume for consideration. MANDEX, Inc. is an Equal Employment Opportunity employer and does not discriminate on the basis of race, national origin, gender, sexual orientation, disability, veterans’ status, age, or other legally protected status. MANDEX, Inc. reserves the right to perform background screening and drug testing prior to extending offers of employment. MANDEX attracts and retains smart and motivated professionals in the government contracting industry.

We offer competitive salaries and excellent benefits packages, including a matched 401(k) plan.
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