Tier 3 Ground Terminal (GT)/ IT Engineer- Junior, Intermediate and Senior Level- TS/SCI with Polygraph

General Dynamics Information Technology•Aurora, CO
•$96,569 - $130,651•Onsite

About The Position

The Tier 3 Ground Terminal (GT) / IT Engineer supports sustainment of satellite ground terminal antennas, radio frequency (RF), communications, and associated systems under the technical direction of more experienced engineers. The role performs troubleshooting, fault isolation, failure and root-cause analysis, non-routine maintenance, configuration-control activities, equipment modifications, integration, testing, and technical documentation to resolve complex or recurring GT problems. It also performs GT antenna analyses beyond the scope of Tier 2 functions. The engineer supports Tier 3 sustainment of GT antennas, ADF-C GTs, Mission Unique Equipment (MUE), and C&T and wideband data paths. Work includes maintaining the operational baseline and system documentation; coordinating Government approval for configuration changes and purchases; performing antenna calibrations and trend analyses; supporting spares and replacement recommendations; and augmenting Tier 2 software and hardware anomaly resolution. The position is full-time and onsite at a Government facility in Aurora, Colorado, with 10–25% travel and a 40-hour scheduled work week.

Requirements

  • At least 2 years of relevant experience.
  • BA/BS degree or equivalent technical education, training, or expertise.
  • Working knowledge of antenna/RF systems, signal paths, communications equipment, GT interfaces, test equipment, and preventive/corrective maintenance.
  • Demonstrated experience with fault isolation, failure analysis, root-cause analysis, and resolving complex or recurring equipment and system problems.
  • Experience performing non-routine maintenance, equipment modifications, installation, integration, checkout, testing, verification, and restoration.
  • Experience with configuration management, technical baseline control, approved configuration changes, maintenance/configuration documentation, and updating technical procedures and troubleshooting guidance.
  • Ability to analyze equipment condition, maintenance history, performance information, and recurring failures to identify technical trends, sustainment risks, and corrective or escalation actions.
  • Experience supporting Tier 2 escalations and coordinating complex technical resolution with technicians, engineers, Software/IT personnel, Network Administrators, vendors, and Tier 4 support providers.
  • Experience supporting 8x5 operational environments.
  • Must currently possess a Top Secret SCI clearance with polygraph; the posting also states this clearance must be obtainable.
  • U.S. citizenship required.
  • Full-time, onsite work at a Government facility.

Nice To Haves

  • Experience supporting 8x5 operational environments.
  • Participation in special metrology projects as required.

Responsibilities

  • Support Tier 3 GT engineering functions under the technical direction of Intermediate/Senior GT engineers.
  • Perform Tier 3 sustainment of GT antennas, including root-cause analysis, fixes, and documentation updates.
  • Perform Tier 3 sustainment for ADF-C GTs requiring Tier 3 support.
  • Develop, test, verify, and distribute configuration changes to the GT operational baseline.
  • Coordinate and obtain Government approval for the timeline for inserting changes into the GT operational system baseline.
  • Maintain and update B-level and C-level system specifications, intra-group Interface Control Documents (ICDs), and other GT baseline system documentation for systems designated for contractor Tier 3 sustainment.
  • Replenish GT antenna spares for items not covered within the Control and Status Subsystem (CSS) or an equivalent subsystem.
  • Support maintenance of GT antenna configuration items designated for contractor Tier 3/4 sustainment support.
  • Identify obsolete GT antenna equipment and recommend suitable replacements to the Government.
  • Replace failed GT antenna hardware and return repaired items to Tier 2.
  • Perform GT antenna calibrations and analyses beyond Tier 2 functions as defined in applicable site procedures.
  • Maintain GT antenna calibration documentation and report calibration results, including performance degradation and missing data.
  • Perform long-term GT antenna trend analyses supporting operations and development programs.
  • Identify, prioritize, and justify GT antenna parts and materials procurement requirements for Government review and approval.
  • Coordinate with the Government and obtain approval before purchasing GT antenna parts and materials.
  • When applicable to the mission, escalate issues to vendors capable of providing Tier 4-equivalent services as necessary to maintain GT antennas.
  • Augment Tier 2 sustainment support for GT software and hardware anomaly resolution and failure analysis.
  • Support Tier 3 sustainment of GT Mission Unique Equipment (MUE) software and hardware.
  • Support Tier 3 sustainment of C&T and wideband data paths.
  • Participate in special metrology projects as required.

Benefits

  • Medical plan options, some with Health Savings Accounts
  • Dental plan options
  • Vision plan
  • 401(k) with company match
  • Paid time off, including vacation, sick and personal time
  • Paid holidays
  • Paid parental leave
  • Military leave
  • Bereavement leave
  • Jury duty leave
  • Short- and long-term disability benefits
  • Life insurance
  • Accidental death and dismemberment insurance
  • Personal accident insurance
  • Critical illness insurance
  • Business travel and accident insurance
  • Full flex work weeks where possible
  • Wellness packages
  • Internal mobility support
  • AI-powered career and learning tool
© 2026 Teal Labs, Inc
Privacy PolicyTerms of Service