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Posted August 18, 2026

Subject Matter Expert II

Mandex, Inc.
Charleston, South Carolina, United States 29401 Full Time
Reference: 286542993


Req ID: 205

Job Title: Subject Matter Expert II

Location: Mandex Charleston FD Charleston, SC, US 29418

Organization Unity: MATI

Date Opened: 8/17/2026

Job Type:

Full-time



Category:

Information Technology



Education:

High School



Travel:

50 - 75%



Description:

Network Engineer/ Subject Matter Expert (SME) II

North Charleston, SC

Remote

Salary Range: $36.06 - $40.87 per hour

MANDEX currently has a need for a Network Engineer/Subject Matter Expert (SME) II to join our team. This position requires 50% + travel to DoD Military Treatment Facilities worldwide in support of the Defense Health Agency (DHA) LAN/WLAN upgrade/refresh project.

Your future duties and responsibilities:

• Participate as a member of the LAN/WLAN Site Survey and Install Team. Primary duties will be installing Layer 2 switches (Cisco, Ruckus, or Juniper).

• Survey Duties: Capture configurations, document existing fiber interconnects and existing network equipment data. Perform WLAN heatmap walks utilizing AirMagnet software.

• Install Duties: Independently upgrade switch IOS, Install (rack mount) and configure Layer 2 edge switches (Cisco 9300, Ruckus ICX-7500’s, and Juniper EX-4600 series switches).

• Physical Duties: 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.

Required qualifications to be successful in this role:

Experience:

• Six (6) years’ hands-on experience configuring Layer 2 edge switches (Cisco, Ruckus, or Juniper LAN switches).

• Aruba wireless experience is preferred but not required.

• Ability to work independently and as part of a team.

• Strong written and oral communication as well as attention to detail.

Physical Requirements:

• Ability to lift and install Uninterrupted Power Supplies (UPS) and Battery Packs (70+ lbs.).

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.

Travel:

• Extensive travel is required (50%+).

• Must have or be able to obtain a valid International Passport and be willing to travel CONUS and OCONUS (non-combat locations).

Security:

• Must be eligible to obtain and maintain a government security clearance.

• Must be a U.S citizen.

What you can expect from us:

MANDEX, Inc has over 50 years of experience in all facets of information technology including systems engineering; systems testing; systems design and implementation; cybersecurity and information assurance; electronic and physical security; as well as logistics and warehousing.

MANDEX, Inc. is a collaborative, mission-driven organization where professional advancement, supportive leadership, and an inclusive culture are the core of everything we do! Come work with us!

Benefits we offers:

• Health insurance

• Vision insurance

• Dental insurance

• Paid time off

• Tuition reimbursement

• Employee assistance program

• Short-term disability

• Long-term disability

• Health savings account

• Flexible spending accounts

• Basic Life & Disability insurances

• Voluntary AD&D Insurance

• Voluntary Accident Insurance

• Voluntary Critical Illness Insurance

• 401(k) Retirement Plan (MANDEX, Inc offer pre-tax and post-tax Roth contributions, and match 100% of the first 6% elected contribution)

Additional Information

• Interview Round 1

• Interview Round 2

• Background Checks & Drug Screening

• Offer Letter

• Your NEXT big challenge begins

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.





Equal employment opportunity, including veterans and individuals with disabilities.

PI286542993

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