Demo

System Administrator - OCONUS

Bristol Infrastructure Design Svcs, LLC
San Antonio, TX Full Time
POSTED ON 10/22/2026
AVAILABLE BEFORE 11/20/2026

Job Summary

Telecommunications VoIP System Administrator supports Voice over Internet Protocol (VoIP) in a secure Enterprise environment.

Bristol Alliance of Companies (Bristol) is committed to building lasting relationships that reflect our hard work, ingenuity, and dedication to safety. Every employee has an impact on our success, which benefits the Native Culture, land, and people of the Bristol Bay region.

Our values: People, Communities, Reputation, Teamwork, Trust, and Truth.

Essential Skills and Functions

• Operational experience with Cisco Unified Communications Manager (CUCM), Call Manager clusters (publisher & subscribers), Cisco Unified Border Element (CUBE), Session Initiation Protocol (SIP) trunking, dial-plan design, and high-availability voice infrastructure.

• End-to-end responsibility for phone directories, Call Data Records/Call Management Records (CDR/CMR) analysis, server log management, capacity planning, and performance monitoring across multiple geographically separated sites.

• Proficient administration of both Linux and Windows server environments that host VoIP applications, directory services, and related management tools.

• Hands-on experience with endpoint detection & response suites.

• Proven ability to plan and execute both automated and manual Windows Server Updates Services (WSUS) and equivalent patching cycles for routers, switches, servers, and workstations while maintaining strict change-control and mission-availability requirements.

• Solid working knowledge of enterprise routing, VLAN design, ACL management, and the integration of VoIP traffic into the broader ONE-Net architecture.

• Hands-on experience with NetScout nGeniusPulse (or equivalent) for deep packet inspection, VoIP/QoS monitoring, call-quality troubleshooting, and real-time network performance analysis across the enterprise voice infrastructure.

Required Education and Experience

• High school diploma or equivalent.

• Five years of experience in the field or related area.

• Valid driver’s license.

Preferred Education and Experience

• Active DoD Secret clearance

• Cisco CCNA (or higher)

• CompTIA Security /Network , and demonstrated experience supporting OCONUS Navy / DoD environments

Work Environment 

The work environment characteristics described here are representative of those an employee encounters while performing the essential functions of this job. Reasonable accommodation may be made to enable individuals with disabilities to perform the essential functions.

• Position may be subject to both inside and outside environmental conditions, noise sufficient to cause the worker to shout.

• Position may be subject to a variety of physical conditions – proximity to moving mechanical parts, moving vehicles, electric current, working on scaffolding and high places, exposure to high heat or exposure to chemicals.

• Position may be subject to atmospheric conditions – fumes, odors, dusts, mist, gases, or poor ventilation.

• Position may be subject to close visual acuity to perform activities such as viewing a computer terminal and extensive reading.

Physical Qualifications 

The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job.

• Mobility: must be able to stoop, kneel, reach, walk, lift, grasp, feel, talk, hear, and perform repetitive motions.

• Hearing: must be able to hear audible safety alarms.

• Visual Acuity: must be adequate to perform the above listed tasks in a safe manner and perform activities such as viewing a computer terminal and extensive reading.

• Lifting: must be able to exert up to 50 pounds of force occasionally and up to 20 pounds of force frequently, and/or a negligible amount of force constantly to lift, carry, push, pull or otherwise move objects, including the human body.

Benefits 

Excellent salary and benefits package to include paid time off, paid holidays, comprehensive health plan including medical, dental, vision, life, short-term disability insurance, and 401(k) plan with employer match.

Equal Opportunity Employer Statement 

Bristol companies are equal opportunity employers and offer any available positions to all, without regard to race, color, religion, sex, national origin, age, disability, veteran status, parenthood, pregnancy, marital status, or changes in marital status, in accordance with applicable state and federal laws. This applies to recruitment, placement, pay, benefits, training, employment status changes, social and recreational programs, and other conditions and benefits of employment.

Bristol grants employment preference first to BBNC and Choggiung shareholders, their spouses, or descendants, and second to Alaska Native Corporation shareholders in accordance with P.L. 93-638.

Disclaimer 

This job description is not intended to cover or contain a comprehensive list of activities, duties, or responsibilities that are required of the employee. Other duties, responsibilities, and activities may change or be assigned at any time with or without notice.

This job description is not a contract or employment. It does not promise or guarantee any particular benefit or specific action. All employment with Bristol is “at-will” which means that Bristol or employee can terminate the employment relationship at any time with or without cause.

 

Salary.com Estimation for System Administrator - OCONUS in San Antonio, TX
$79,563 to $100,874
If your compensation planning software is too rigid to deploy winning incentive strategies, it’s time to find an adaptable solution. Compensation Planning
Enhance your organization's compensation strategy with salary data sets that HR and team managers can use to pay your staff right. Surveys & Data Sets

What is the career path for a System Administrator - OCONUS?

Sign up to receive alerts about other jobs on the System Administrator - OCONUS career path by checking the boxes next to the positions that interest you.
Income Estimation: 
$83,502 - $107,152
Income Estimation: 
$104,896 - $133,785
Income Estimation: 
$123,198 - $153,566
Income Estimation: 
$144,577 - $191,047
Income Estimation: 
$178,567 - $236,389
Employees: Get a Salary Increase
View Core, Job Family, and Industry Job Skills and Competency Data for more than 15,000 Job Titles Skills Library

Job openings at Bristol Infrastructure Design Svcs, LLC

  • Bristol Infrastructure Design Svcs, LLC Norfolk, VA
  • Essential Job Duties and Responsibilities: • Provide independent, timely and professional fire protection engineering support, services and consultation fo... more
  • 4 Days Ago


Not the job you're looking for? Here are some other System Administrator - OCONUS jobs in the San Antonio, TX area that may be a better fit.

  • Bristol Alliance of Companies Opportunities San Antonio, TX
  • Job Summary Telecommunications VoIP System Administrator supports Voice over Internet Protocol (VoIP) to support the Department of Navy. This position will... more
  • 5 Days Ago

  • University Health System San Antonio, TX
  • POSITION SUMMARY AND RESPONSIBILITIES Provides computer technical expertise, project management, technical guidance and direction in the implementation and... more
  • 2 Days Ago

AI Assistant is available now!

Feel free to start your new journey!