Network Administrator

Addison Group; Fort Worth (TX); On-site; USD 70,000 - 90,000; Full time

Benefits offered by this job

Career development and certification

Advanced networking technologies

Collaborative team environment

Long-term stability

Competitive benefits

Job summary

Addison Group in Fort Worth, TX is seeking a Network Administrator to maintain and support enterprise network infrastructure. You will administer day-to-day operations, monitor performance, and support upgrades, with on‑call rotations and occasional after‑hours support.

The ideal candidate will have a Bachelor's degree and 3–5+ years in enterprise networks, Cisco routing/switching experience, VLANs, OSPF/EIGRP, VPNs, DNS/DHCP, and Azure networking. CCNA preferred; CCNP or higher is a plus.

Qualifications

• Bachelor’s degree or equivalent experience in Computer Science/Information Technology/Network Engineering.
• 3–5+ years of experience supporting enterprise network environments.
• Experience managing Cisco-based routing and switching infrastructure.
• Strong understanding of switching technologies: VLANs, trunking, Spanning Tree, EtherChannel, QoS.
• Knowledge of routing protocols: OSPF, EIGRP; BGP a plus.
• Experience with network security: ACLs, NAT/PAT, IPSec VPNs.
• Familiarity with DNS/DHCP and enterprise network services.
• Experience with network monitoring and diagnostic tools.
• Familiarity with Microsoft Azure networking concepts.

Responsibilities

• Administer and support enterprise networking environments (LAN, WAN, wireless, remote connectivity).
• Monitor network performance and respond to issues to maximize uptime.
• Troubleshoot routing, switching, and connectivity across locations.
• Implement approved network changes per change management procedures.
• Maintain network security controls (firewalls, VPNs, access policies).
• Assist with hardware installations and infrastructure upgrades.
• Evaluate network utilization and performance trends for optimization.
• Create and maintain network diagrams and documentation.
• Support hybrid/cloud networking, including Azure services.
• Assist with VoIP and unified communications administration.
• Coordinate with vendors to resolve issues and service requests.

Skills

CCNA

Cisco routing

Switching

VLANs

OSPF/EIGRP

VPN security

DNS/DHCP

Azure networking

QoS

VoIP support

Education

Bachelor's degree in CS/IT/Network Engineering

Tools

Network monitoring tools

Azure monitoring tools

Job description

Job Title: Network Administrator

Location: Fort Worth, TX

Pay: $70,000 - $90,000 / Annually

Work Schedule: Monday - Friday, standard business hours with participation in an on‑call rotation and occasional after‑hours support as needed.

Benefits: This position is eligible for medical, dental, vision, and 401(k).

About The Company: We are partnering with a growing organization seeking an experienced Network Administrator to support and maintain its enterprise network infrastructure. This role offers the opportunity to work with a variety of networking technologies while collaborating with senior technical staff on infrastructure improvements and modernization initiatives.

Job Description: The Network Administrator will be responsible for the day‑to‑day administration, monitoring, maintenance, and support of enterprise network systems. This individual will focus on ensuring network reliability, security, and performance while assisting with infrastructure upgrades, deployments, and operational improvements. The ideal candidate is a hands‑on networking professional who enjoys troubleshooting complex issues and is eager to expand their technical expertise.

Key Responsibilities:

• Administer and support enterprise networking environments, including LAN, WAN, wireless, and remote connectivity solutions.
• Monitor network performance and respond to operational issues to ensure maximum uptime and reliability.
• Troubleshoot routing, switching, and connectivity problems across multiple locations and systems.
• Implement approved network changes in accordance with established change management procedures.
• Maintain and support network security controls, including firewall rules, VPN connections, and access management policies.
• Assist with hardware installations, infrastructure upgrades, and technology refresh initiatives.
• Evaluate network utilization and performance trends to help optimize capacity and efficiency.
• Create and maintain technical documentation, network diagrams, and operational processes.
• Support hybrid and cloud‑connected network environments, including Azure‑based networking services.
• Assist with VoIP and unified communications infrastructure administration and troubleshooting.
• Work with external vendors and service providers to resolve issues and coordinate service requests.
• Participate in scheduled maintenance windows and on‑call support rotations.

Qualifications:

• Bachelor's degree in Computer Science, Information Technology, Network Engineering, or a related field; equivalent experience will be considered.
• 3-5+ years of experience supporting enterprise network environments.
• Experience managing Cisco‑based routing and switching infrastructure.
• Strong understanding of switching technologies, including VLANs, trunking, Spanning Tree, EtherChannel, and QoS.
• Working knowledge of routing protocols such as OSPF and EIGRP; BGP experience is a plus.
• Experience supporting network security technologies, including ACLs, NAT/PAT, and IPSec VPNs.
• Familiarity with enterprise network services such as DNS and DHCP.
• Experience with network monitoring and diagnostic tools.
• Understanding of cloud networking concepts, particularly within Microsoft Azure environments.
• Exposure to authentication technologies such as AAA and RADIUS is preferred.
• Experience supporting VoIP platforms is a plus.
• CCNA certification strongly preferred; CCNP or advanced networking certifications are a plus.

Additional Details:

• Opportunity to work within a complex enterprise networking environment.
• Exposure to cloud, hybrid networking, and infrastructure modernization projects.
• Collaborative team setting with opportunities for technical growth and career advancement.
• Position requires strong analytical, troubleshooting, and communication skills.

Perks:

• Career development and certification growth opportunities.
• Exposure to advanced networking technologies and enterprise‑scale infrastructure.
• Collaborative and supportive technical team environment.
• Opportunity to expand into higher‑level network engineering responsibilities.
• Stable, long‑term position with competitive benefits.

Addison Group is an Equal Opportunity Employer. Addison Group provides equal employment opportunities (EEO) to all employees and applicants without regard to race, color, religion, gender, sexual orientation, national origin, age, disability, genetic information, marital status, amnesty, or status as a covered veteran, in accordance with applicable federal, state, and local laws. Reasonable accommodation is available for qualified individuals with disabilities upon request.

IND 005-009