SR Network Administrator

Throughout the past 30 years plus, MMC, one of the most trusted names in workforce management services, has successfully delivered strategic solutions to large and small businesses in numerous industries.

We have built our reputation on partnering with our clients and candidates to achieve the desired results. Our recruiting professionals have extensive experience matching the right candidate, to the right client, for the right position. We provide the best opportunities to the most talented candidates in a multitude of industries.

MMC is a privately owned business with corporate headquarters in Irving, Texas. With 2,000+ employees, working in 40+ states, MMC is able to support all United States locations, and some international locations.

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MMC strives to ensure all job posting confirm details of the position, the rate of pay, and acknowledge medical benefits are offered.

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We are an equal opportunity employer and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability status, protected veteran status or any other characteristic protected by law. In compliance with federal law, all persons hired will be required to verify identity and eligibility to work in the United States and to complete the required employment eligibility verification document form upon hire.

Now Hiring: Senior Network Administrator

Location: Remote (candidates must reside in Dallas, TX area)

Clearance: U.S. Citizenship Required Must pass enhanced background screening (criminal, financial, drug) for Public Trust clearance

Type: Contract (long-term)

️ About the Role

We're seeking a highly experienced Senior Network Administrator to lead and support enterprise-level network infrastructure for a high-demand e-commerce environment. This role requires deep technical expertise, strong leadership, and the ability to work independently in a fast-paced, mission-critical setting.

Key Responsibilities

Perform general maintenance, troubleshooting, and root cause analysis for network incidents

Lead resolution of network issues and ensure business continuity

Implement and manage network changes following ITIL and change management protocols

Install, upgrade, and maintain network components

Audit network devices to ensure compliance with policies and standards

Document processes and maintain detailed technical records

Participate in shift rotations, including weekends and on-call support

Required Technical Expertise

F5 LTM Load Balancers - configuration, installation, and upgrades

Checkpoint & Juniper Firewalls - administration and troubleshooting

Cisco Routers & Switches - IOS and Nexus OS

Advanced troubleshooting of network traffic flows

Strong knowledge of OSPF, EIGRP, HSRP, VLAN, TCP/IP

Scripting in Perl, Python, or Bash

Familiarity with ITIL processes and documentation standards

Qualifications

Bachelor's degree in Computer Science or related field, or 10+ years of relevant experience

Strong written and verbal communication skills

Ability to work independently and with remote, matrixed teams

Experience with documentation, user guides, and process development

Professional, responsible, and self-motivated

Ready to Lead?

If you're a seasoned network professional ready to take on a high-impact role, apply today and bring your expertise to a team that values innovation, reliability, and excellence.