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GDH · 2 days ago

Senior Network Admin

Houston, TX

Full-time

Onsite

Mid, Senior Level

$105K/yr - $120K/yr

6+ years exp

GDH is seeking a highly skilled Senior Network Administrator for a full-time, on-site position located in Houston. The successful candidate will be responsible for designing, implementing, and supporting enterprise-level data network infrastructure while collaborating with IT teams and business stakeholders to ensure optimal network performance and reliability.

ConsultingEmploymentStaffing Agency

Growth Opportunities

H1B Sponsor Likely

Responsibilities

Design, implement, and manage robust data network infrastructure to support enterprise operations and business objectives

Configure and maintain network hardware and software, ensuring the stability and reliability of network services across multiple platforms

Oversee daily network operations in both centralized data centers and remote field locations, addressing issues proactively to minimize downtime

Collaborate with IT teams and business stakeholders to gather requirements and architect network solutions tailored to organizational needs

Troubleshoot and resolve escalated network hardware and software issues, applying advanced analytical and problem-solving skills

Develop, monitor, and report on network performance metrics and establish baseline measurements for continuous improvement

Implement and test network security measures, including access control, authentication, and disaster recovery protocols to safeguard critical systems

Perform additional network-related tasks as assigned, adapting to changing priorities within a dynamic technical environment

Qualification

Network security engineeringCisco networksTCP/IP networkingRouting protocolsNetwork troubleshootingNetwork security conceptsCustomer serviceFlexibility for overtimeCommunication skillsProject leadershipWork under pressure

Required

Associate degree in Computer Science, Management Information Systems, Engineering, or equivalent professional experience in network administration

Minimum of 6 years' experience in network security engineering and support within a large enterprise environment

At least 6 years of hands-on experience supporting and maintaining enterprise Cisco networks

Advanced knowledge of TCP/IP networking fundamentals and routing protocols such as BGP and OSPF

Demonstrated proficiency in troubleshooting complex network issues and implementing effective solutions

Strong familiarity with network security concepts, including firewalls and access control models

Excellent communication skills, both written and verbal, with proven ability to lead projects and deliver exceptional customer service

Ability to work calmly and efficiently under pressure, including time-sensitive situations that may require overtime, variable hours, or occasional travel

Physical capability to work at a desk for extended periods and flexibility for overnight stays if required

Preferred

Bachelor's degree in a related field

Cisco-ASA and Meraki firewall experience

CCNA or CCNP certifications

Exposure to Palo Alto security appliances

Company

GDH

Glassdoor4.3

GDH is consulting staffing firm that specializes in providing IT engineering-based candidates to commercial and government sectors.

Founded in 2001

Tulsa, Oklahoma, USA

501-1000 employees

http://gdhinc.com

H1B Sponsorship

GDH has a track record of offering H1B sponsorships. Please note that this does not guarantee sponsorship for this specific role. Below presents additional info for your reference. (Data Powered by US Department of Labor)

Distribution of Different Job Fields Receiving Sponsorship

Represents job field similar to this job

Trends of Total Sponsorships

2025 (1)

2023 (4)

2022 (2)

2021 (2)

2020 (1)