Demo

System Administrator

RealmOne
San Antonio, TX Full Time
POSTED ON 8/3/2026
AVAILABLE BEFORE 10/2/2026
Job Brief

Help desk, information technology

Job Description

The RealmOne TRIBE is looking for you!

RealmOne was built on the principle that people matter first and foremost. We believe in providing a strong work/life balance by investing in our employees and encouraging professional and personal growth. We do this by offering exceptional benefits, flexible schedules, and the tools necessary to achieve success through paid training, mentoring, and the opportunity to work alongside top-notch industry professionals.

Join us on this journey as we execute this mission-critical contract providing systems architecture and engineering in a world-wide multi-level Enterprise IT environment!

Your effort and expertise are crucial to the success and execution of this impactful mission. This opportunity supports an Enterprise IT contract with a team of SIGDEV Analysts, Systems Engineers, Junior Engineers, Telecommunication Technical Analysts and System Administrators, responsible for the architecture, engineering, integration, operations, maintenance and sustainment of multi-level Enterprise IT environment.

Job Description:

  • We are looking for a dedicated Systems Administrator who provides support for implementation, troubleshooting and maintenance of Information Technology (IT) systems. Manages IT system infrastructure and any processes related to these systems. Provides support to IT systems including day-to-day operations, monitoring and problem resolution for all of the client/server/storage/network devices, mobile devices, etc. Provides Tier 1 (Help Desk) and Tier 2 (Escalation) problem identification, diagnosis and resolution of problems. Provides support for the escalation and communication of status to agency management and internal customers. Provides support for the dispatch system and hardware problems and remains involved in the resolution process. Configures and manages UNIX and Windows operating systems and installs/loads operating system software, troubleshoots, maintains integrity and configures network components along with implementing operating systems enhancements to improve reliability and performance.

The System Engineer LCAT shall possess the following capabilities:

  • Provide support for implementation, troubleshooting and maintenance of IT systems.
  • Provide Tier 1 (Help Desk) and Tier 2 (Escalation) problem identification, diagnosis and resolution of problems.
  • Manage the daily activities of configuration and operation of IT systems.
  • Provide assistance to users in accessing and using IT systems.
  • Provide support to IT systems including day-to-day operations, monitoring and problem resolution for all of the client/server/storage/network devices, mobile devices, etc.
  • Provide support for the escalation and communication of status to agency management and internal customers.
  • Optimize system operations and resource utilization and perform system capacity analysis and planning.

Qualifications

  • Level 1:
  • Five (5) years' experience as an SA in programs and contracts of similar scope, type and complexity is required.
  • Level 2:
  • Ten (10) years' experience as an SA in programs and contracts of similar scope, type and complexity is required.
  • Level 3:
  • Fifteen (15) years' experience as an SE in programs and contracts of similar scope, type and complexity is required.
  • Five (5) years of additional SA experience may be substituted for a bachelor's degree.
  • Bachelor's degree in a technical discipline from an accredited college or university is required.

Position requires active Security Clearance with appropriate Polygraph

Pay Range:

The RealmOne pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Our approach to crafting offers considers various factors to establish an equitable and competitive compensation package. These considerations include, but are not limited to, the extent and intricacy of the role's responsibilities, the candidate's educational background, their work experience, and the specific competencies crucial for success in the role.

RealmOne Benefits:

  • Healthcare Coverage Insurance: Medical: Three (3) rich healthcare options through CareFirst with 100% or majority company-paid premiums. Tax-advantaged health savings account available with generous employer contribution. Dental Vision: 100% employer-paid for employees and family with buy-up option available.
  • Retirement Savings: 401K - 10% TOTAL CONTRIBUTION - 5% safe harbor - 5% annual profit share. Immediate vested, no match required!
  • Paid Time Off More: 4 weeks starting PTO - 11 federal holidays 2 floating holidays - Paid hours for company-required training.
  • Career Growth Development: Access to FREE 24/7 learning via Udemy - Opportunities to participate in tech councils, industry initiatives, etc. - $7,500 annual Educational & Professional Development Assistance.
  • MORE BENEFITS...FOR EVERY LIFESTYLE! - Paid parental leave - Adoption assistance - Annual swag drops - Flexible work schedules - -Generous referral bonus program - Employee appreciation family-friendly corporate events ...and much more.

ABOUT US

  • RealmOne is a mid-sized science and technology company dedicated to solving our customers' toughest mission challenges.
  • Headquartered in Columbia, MD., RealmOne supplies advanced cybersecurity, data science and software engineering services and products to customers in the Government and commercial sectors.
  • RealmOne delivers encompassing mission assurance and critical systems support to government customers across various U.S. locations to include Colorado, Georgia, Hawaii, Texas, Utah, and Virginia.
  • RealmOne has earned numerous awards, including being named a Top Workplace by the Baltimore Sun. With more than 30 active contracts, 12 of which are prime, RealmOne stands as a premier innovator supporting the Government and Department of Defense, with team members located nationwide.

Disclaimer: Benefits packages offered by RealmOne are subject to variation and may differ based on work location, clearance level, and other eligibility criteria. Specific eligibility, availability, and scope of benefits are not guaranteed, may differ from those generally described, and remain subject to modification at the sole discretion of the company.


All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran.


 

Salary : $7,500

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