System Administrator 1

M.C. Dean, Inc.

Boulder, COFresher3h agovia LinkedInH-1B sponsor · 13 entry-level filings

About the Role

We are seeking a System Administrator 1 to join our Security and Electronic Systems (SES) business unit. You will be part of a team that designs, engineers, integrates, operates, and maintains electronic security services for federal, local, and commercial customers.

Key Responsibilities

  • Provide assistance to end users in accessing and using IT systems.
  • Answer Help desk phone calls, triage calls, provide support, and determine when escalation is required.
  • Utilize a technology-based problem tracking system (ticketing system) to document helpdesk calls and troubleshooting steps.
  • Monitor Enterprise system status for problems such as network outages or degraded services; provide initial troubleshooting and notify appropriate Sr. Level administrators.
  • Support daily operations, including monitoring and reviewing system logs.
  • Support configuration and management of Windows operating systems and install/load operating system software.
  • Support desktop hardware and operating system set-up, imaging software loading, and antivirus updates.
  • Support execution of IAVA updates and patching for Information Assurance (IA) compliance.
  • Support application of Security Technical Implementation Guides (STIGs) to Windows-based operating systems.
  • Support installation, configuration, and maintenance of 3rd party applications.
  • Perform root cause analysis on significant issues.
  • Support preventive maintenance actions including system back-ups, error log reviews, database size analysis, and integrity checks.
  • Stay current with technological developments and recommend ways to leverage new and emerging technology.
  • Contribute to technical documentation such as standard operating procedures (SOP) and as-builds.
  • Perform all duties under direct supervision.
  • Ability to travel up to 10%.

Requirements & Tech Stack

  • Demonstrated understanding of Windows patching and vulnerability remediation.
  • Basic knowledge of large-scale networking, VLANs, and routing.
  • Requires reliable attendance at customer site during work hours.
  • Requires the ability to work flexible shifts that include nights, weekends, holidays, and on-call as needed.
  • Requires minimum of IAT Level II certification (e.g., Security+).
  • Demonstrated background working with multidisciplinary teams.
  • Demonstrated time management and organization skills.
  • Able to use MS Excel, Word, Visio, and PowerPoint.

Qualifications

  • Education/Experience:
  • BS degree and 0+ Years of progressive experience.
  • OR HS Diploma or Equivalent and 6+ Years of progressive experience.
  • Requires some system administrator experience in performing triage on system problems, resolving system problems, analyzing system data to prevent problems, implementing new workstations, and system extensions.

Abilities

  • Exposure to computer screens for an extended period.
  • Sitting for extended periods.
  • Reach by extending hands or arms.
  • Finger dexterity for manipulating objects.
  • Listening and understanding spoken information.
  • Communicating information and ideas verbally.
  • Reading and understanding written information.
  • Applying general rules to specific problems.
  • Identifying and understanding speech.

H-1B sponsor

M.C. Dean filed 13 entry-level H-1B applications for new hires (Oct 2025 - Jun 2026, Department of Labor).

See their H-1B record →

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