Senior Network Administrator

Petroleum Service Corporation; Pasadena (TX); On-site; USD 90,000 - 140,000; Full time

Benefits offered by this job

Medical insurance options with company

401(k) with matching

Vacation, sick leave, and holiday

On‑demand pay

Industry‑leading training

Job summary

PSC Group is seeking a Senior Network Administrator to lead the administration, security, and modernization of PSC's enterprise network across corporate, field, and cloud environments. This role drives network modernization, ensures reliable connectivity, and partners with IT teams, stakeholders, and vendors to support growing technology needs.

The candidate will design and support routing, switching, VLANs, WAN/SD-WAN, cloud networking, and security.

Qualifications

• Bachelor's degree in Computer Science, Information Technology, or a related field preferred; equivalent professional experience considered.
• Minimum of 7 years of Network Administration experience in a multi-site enterprise environment; 10+ years preferred.
• Strong knowledge of enterprise networking, including routing, switching, VLANs, WAN/SD-WAN, cloud networking, and network security technologies.
• Experience supporting Microsoft Azure, Microsoft Entra ID, Active Directory, and hybrid cloud environments.
• Familiarity with Cisco Meraki, Cato Networks, and Starlink preferred.
• Strong analytical, troubleshooting, organizational, communication, and problem-solving skills.
• Ability to work independently and collaborate effectively with cross-functional teams.
• Microsoft Azure Administrator (AZ-104), Azure Network Engineer (AZ-700), or equivalent networking certifications preferred.
• Ability to travel up to 25% to field locations throughout the United States.

Responsibilities

• Establish and maintain enterprise network standards to ensure a secure, stable, and scalable infrastructure.
• Design, configure, and support enterprise routing, switching, VLANs, QoS, cloud-managed networking, and SD-WAN/SASE environments across multiple locations.
• Administer Microsoft Azure networking, including virtual networks, network security, VPN connectivity, and hybrid identity integration with Microsoft Entra ID.
• Install, configure, maintain, and troubleshoot physical and virtual network infrastructure, including satellite connectivity for remote field locations.
• Monitor network performance, respond to incidents, troubleshoot connectivity issues, and implement long-term solutions to improve reliability and performance.
• Partner with IT Security to implement and maintain firewalls, access controls, vulnerability management, intrusion detection/prevention systems, and disaster recovery readiness.
• Maintain network documentation, topology diagrams, hardware and software inventories, licensing records, backups, and patch management.
• Configure and troubleshoot IP-based devices, including printers, scanners, and mobile devices.
• Collaborate with IT teams, business stakeholders, vendors, and service providers to support network operations and business initiatives.
• Develop technical documentation, knowledge base articles, provide end-user training, and participate in a 24/7 on-call rotation supporting business-critical operations.

Skills

Analytical skills

Troubleshooting

Organizational skills

Communication skills

Problem solving

Education

Bachelor's degree or equivalent experience

Tools

Microsoft Azure

Azure Entra ID

Active Directory

Cisco Meraki

Cato Networks

Starlink

Job description

The Senior Network Administrator is responsible for the administration, maintenance, security, and continuous improvement of PSC's enterprise network infrastructure across corporate, field, and cloud environments. This role leads network modernization efforts, ensures reliable and secure connectivity, and partners with IT teams, business stakeholders, and vendors to support the organization's growing technology needs. Performs work requiring considerable independence, initiative, technical expertise, and sound judgment.

Job Duties & Responsibilities

• Establish and maintain enterprise network standards to ensure a secure, stable, and scalable infrastructure.
• Design, configure, and support enterprise routing, switching, VLANs, QoS, cloud‑managed networking, and SD‑WAN/SASE environments across multiple locations.
• Administer Microsoft Azure networking, including virtual networks, network security, VPN connectivity, and hybrid identity integration with Microsoft Entra ID.
• Install, configure, maintain, and troubleshoot physical and virtual network infrastructure, including satellite connectivity for remote field locations.
• Monitor network performance, respond to incidents, troubleshoot connectivity issues, and implement long‑term solutions to improve reliability and performance.
• Partner with IT Security to implement and maintain firewalls, access controls, vulnerability management, intrusion detection/prevention systems, and disaster recovery readiness.
• Maintain network documentation, topology diagrams, hardware and software inventories, licensing records, backups, and patch management.
• Configure and troubleshoot IP‑based devices, including printers, scanners, and mobile devices.
• Collaborate with IT teams, business stakeholders, vendors, and service providers to support network operations and business initiatives.
• Develop technical documentation, knowledge base articles, provide end‑user training, and participate in a 24/7 on‑call rotation supporting business‑critical operations.

Job Qualifications

• Bachelor's degree in Computer Science, Information Technology, or a related field preferred; equivalent professional experience considered.
• Minimum of 7 years of Network Administration experience in a multi‑site enterprise environment; 10+ years preferred.
• Strong knowledge of enterprise networking, including routing, switching, VLANs, WAN/SD‑WAN, cloud networking, and network security technologies.
• Experience supporting Microsoft Azure, Microsoft Entra ID, Active Directory, and hybrid cloud environments.
• Familiarity with Cisco Meraki, Cato Networks, and Starlink preferred.
• Strong analytical, troubleshooting, organizational, communication, and problem‑solving skills.
• Ability to work independently and collaborate effectively with cross‑functional teams.
• Microsoft Azure Administrator (AZ‑104), Azure Network Engineer (AZ‑700), or equivalent networking certifications preferred.
• Ability to travel up to 25% to field locations throughout the United States.

Employee Benefits

• Medical insurance options with the company paying a large portion of the premiums, including affordable dental and vision plans for employees and their families.
• Company‑paid life, short‑term, and long‑term disability insurance.
• Matching 401(k) plan to help employees save money for retirement.
• Vacation, sick leave, and holiday benefits (varies by work group).
• Incentives, discounts, and bonuses.
• Industry‑leading training and development programs.
• Enjoy financial flexibility with On‑Demand Pay through Dayforce, giving you access to earned wages before payday.

To perform this job successfully, an individual must be able to perform each essential duty satisfactorily with or without reasonable accommodations. The above job description does not reflect all essential job functions or physical requirements.

This job description should not be construed as an exhaustive statement of duties, responsibilities or requirements, but a general description of the job.

PSC Group, formerly known as Petroleum Service Corporation, is an Equal Opportunity employer. All qualified applicants will receive consideration for employment without regard to sex, gender identity, sexual orientation, race, color, religion, national origin, disability, protected veteran status, age, or any other characteristic protected by law.