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Systems Administrator Senior Technician _TS/SCI with Polygraph
Company: General Dynamics IT Location: Aurora, CO Employment Type: Full Time Date Posted: 05/09/2026 Job Categories:
Engineering, Information Technology
Job Description
Systems Administrator Senior Technician _TS/SCI with Polygraph
Advance how our customers operate while you advance your career. Join GDIT as a Systems Administrator Senior and build an impactful career in enterprise IT, collaborating with people who are driven and resourceful like you.
MEANINGFUL WORK AND PERSONAL IMPACT As a Systems Administrator Senior, the work youll do at GDIT will be impactful to the mission of our customer. Our work depends on Systems Administrator Senior Technician joining our team to support and manage the responsibilities of the successful completion of all tasks in assigned projects. The primary responsibilities of our Systems Technicians are to maintain computers, voice, video, network, and server hardware equipment used to support IT services. They also provide installation maintenance and troubleshooting support of information systems applications and related peripheral hardware. Our technician is a key contact for customers who need assistance in resolving technical issues, and communicates on incident status, analysis, and solutions. This includes conducting in-depth troubleshooting of incident tickets and change requests leveraging a well-rounded understanding of baseline systems/services and troubleshooting techniques. This position requires a well-versed technician that can help clients install, repair, maintain hardware and software while building relationships with our customers.
Perform Service Operations and support Service Transition activities for IT infrastructure to include desktop computers, thin clients, servers, telephones, cabling, and administration
Maintain current technical knowledge to resolve complex issues requiring detailed systems and applications understanding
Install, upgrade, repair, support customer baseline equipment and related devices
Perform daily systems checks, datacenter walkthroughs for alerts/ alarms, degradation of services or systems
Perform anomaly, incident resolution, request fulfillment, Install Move Add Change Disposal (IMACD) support, Trusted Agent support, asset & configuration management of the operational baseline, support overall incident and change management
Troubleshoot, diagnose, isolate, and resolve system service failures to meet program resolution timelines (Critical, Essential and Support)
Reseat cards, reboot hardware, replace hardware components, and replace cabling
Re-image or reload software to approved baseline standard, run diagnostics to repair storage disc or corrupted files
Customer service oriented with ability to explain technical terms in a user-friendly way, and work with our customers to properly diagnose system issues and recommend solutions
Provide situational awareness to operations leadership: technicians on incident troubleshooting actions, coordination, and resolution status
Communicate incident ticket: change request updates with managers, team members, service providers, customers, and stakeholders
Update incident: change documentation, configuration management database (CMDB), knowledge articles, training resources and other documentation
Support non-standard surge services for special projects and high visibility activities as directed
Collaborate with internal and external customers, agencies, and service providers
Support incident, problem, change management resolution activities to include Technical Exchange Meetings (TEMs)
Provide process improvement recommendations and integrate support best practices
Participates in special projects as required.
WHAT YOULL NEED TO SUCCEED Bring your technology expertise and drive for innovation to GDIT. The Systems Administrator Senior must have: Education: Technical Training, Certification(s) or Degree Experience: 3+ years of related experience Technical skills:
Understanding of desktop computers, thin clients, servers, VoIP phones, video conferencing, cabling standards, installation, systems administration, testing equipment, and ITIL best practices
Must possess appropriate and current DoD Information Assurance (IA) Certification to be considered for employment: CompTIA Security+ CE is the minimum certification
As part of your function on the program, you will be granted privileged user access. Privileged Users are subject to greater scrutiny as a direct result of the significant responsibilities placed upon them. Please be aware that because of these critical duties, you will be subject to additional IT system monitoring, and supervisory evaluation to ensure continuous adherence to Privileged User processes and procedures. Privileged Users are subject to a zero-tolerance policy for security violations
Security clearance level: TS/SCI with Polygraph US citizenship required Role requirements: onsite
GDIT IS YOUR PLACE At GDIT, the mission is our purpose, and our people are at the center of everything we do. Growth: AI-powered career tool that identifies career steps and learning opportunities Support: An internal mobility team focused on helping you achieve your career goals Rewards: Comprehensive benefits and wellness packages, 401K with company match, and competitive pay and paid time off Community: Award-winning culture of innovation and a military-friendly workplace
OWN YOUR OPPORTUNITY Explore an enterprise IT career at GDIT and youll find endless opportunities to grow alongside colleagues who share your desire to drive operations forward.