CESO Network Administrator

TEKsystems; San Antonio (TX); On-site; USD 69,000 - 76,000; Full time

Benefits offered by this job

Medical

Dental & Vision

401(k) Retirement Plan

Life Insurance

Job summary

TEKsystems is seeking a Network Administrator for 3rd shift (10PM–6AM) to support a modern, secure web service platform in San Antonio, TX. The role is 100% on-site and contract-to-hire, with a pay range of $50.00–$55.00 per hour.

Key responsibilities include monitoring network performance, proactively identifying risks, coordinating maintenance, and configuring network devices. Ideal candidates hold a TS/SCI clearance, DoD 8570 IAT II, and a BS in CS/IT with 4+ years of experience.

Qualifications

• Active TS/SCI clearance required.
• DoD 8570 IAT Level II certification (e.g., Security+ce) required.
• BS in computer science or IT with 4+ years of experience; degree may be waived with experience.
• Willingness to work 24x7 shifts including nights, weekends and holidays.

Responsibilities

• Monitor network connections and performance to ensure availability.
• Identify risks and mitigate issues in the network.
• Plan and implement network maintenance, installation, and security enhancements.
• Respond to user access requests and resolve service issues.

Skills

Network monitoring

Network performance

Switches & routers

Dynamic routing (BGP/OSPF)

802.1x config

IPSEC tunnels

VLAN configurations

24x7 shift readiness

Education

BS in computer science or IT

Job description

Description

We are currently seeking a Network Administrator 3rd shift (10PM to 6AM) to join our team. This program is establishing a modern secure web service (SWS) operation as part of a state‑of‑the‑art, highly automated platform capable of supporting a rapidly expanding customer population.

This position is based in San Antonio, TX and is 100% on-site.

Primary Responsibilities

• Network monitoring of connections and performance to ensure network availability for user access and services.
• Proactively identify risks and issues in the network and complete actions to mitigate them.
• Able to plan, coordinate and implement network maintenance, installation, and security to protect and improve network infrastructure.
• Receive and review user requests to establish or resolve issues with user access to services.
• Troubleshoot and resolve network issues and elevate complex problems to senior engineers or vendors.
• Configure, install, and maintain network devices and software.

Basic Qualifications

• Currently possess an active TS/SCI security clearance
• Currently possess DoD 8570 certification at least IAT level II, e.g Security+ce.
• BS in computer science or IT and 4+ years of experience. Additional experience may be considered in lieu of degree
• Comfortable working 24×7 shifts, including nights, weekends, and holidays.
• Experience monitoring network performance, security, and availability
• Experience in configuring switches and routers.
• Experience working with Dynamic routing protocols (BGP, OSPF)
• Ability to change and configure 802.1x
• Prior experience troubleshooting S2S/IPSEC tunnels connection.
• Experience conducting VLAN configurations

Job Type & Location

This is a Contract to Hire position based out of San Antonio, TX.

Pay And Benefits

The pay range for this position is $50.00 - $55.00/hr.

Individual compensation offered for this position within this range will depend on many factors, including qualifications, skills, relevant experience, job knowledge, geographic location, internal equity, and other pertinent job‑related factors.

Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to specific elections, plan, or program terms. If eligible, the benefits available for this temporary role may include the following:

• Medical
• dental & vision
• Critical Illness
• Accident, and Hospital
• 401(k) Retirement Plan
• Pre-tax and Roth post‑tax contributions available
• Life Insurance (Voluntary Life & AD&D for the employee and dependents)
• Short and long‑term disability
• Health Spending Account (HSA)
• Transportation benefits
• Employee Assistance Program
• Time Off/Leave (PTO, Vacation or Sick Leave)

Workplace Type

This is a fully onsite position in San Antonio,TX.

Application Deadline

This position is anticipated to close on Oct 19, 2026.

About TEKsystems

We're partners in transformation. We help clients activate ideas and solutions to take advantage of a new world of opportunity. We are a team of 80,000 strong, working with over 6,000 clients, including 80% of the Fortune 500, across North America, Europe and Asia.

As an industry leader in Full‑Stack Technology Services, Talent Services, and real‑world application, we work with progressive leaders to drive change. That's the power of true partnership. TEKsystems is an Allegis Group company.

The company is an equal opportunity employer and will consider all applications without regards to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.

About TEKsystems And TEKsystems Global Services

Were a leading provider of business and technology services. We accelerate business transformation for our customers. Our expertise in strategy, design, execution and operations unlocks business value through a range of solutions.

Were a team of 80,000 strong, working with over 6,000 customers, including 80% of the Fortune 500 across North America, Europe and Asia, who partner with us for our scale, full‑stack capabilities and speed.

Were strategic thinkers, hands‑on collaborators, helping customers capitalize on change and master the momentum of technology. Were building tomorrow by delivering business outcomes and making positive impacts in our global communities.

TEKsystems and TEKsystems Global Services are Allegis Group companies. Learn more at TEKsystems.com.

The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.

San Francisco Fair Chance Ordinance

Pursuant to the San Francisco Fair Chance Ordinance, for all positions located in the city and county of San Francisco, we will consider for employment qualified applicants with arrest and conviction records.

Massachusetts Lie Detector

It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.

Use of Artificial Intelligence (AI)

We may use Artificial Intelligence (AI) to support parts of our hiring process, including sourcing, screening, and evaluating candidates. AI helps assess applications and qualifications, but final decisions are made by our hiring team. By applying, you acknowledge and agree that your application may be reviewed using AI tools.