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Tier 2 Help Desk​/System Administrator Security Clearance

Job in Chantilly, Fairfax County, Virginia, 20151, USA
Listing for: Cyber Defense Technologies LLC
Full Time position
Listed on 2026-07-14
Job specializations:
  • IT/Tech
    IT Support, Systems Administrator, Cybersecurity
Salary/Wage Range or Industry Benchmark: 120000 - 160000 USD Yearly USD 120000.00 160000.00 YEAR
Job Description & How to Apply Below
Position: Tier 2 Help Desk/System Administrator with Security Clearance
Overview:
Cyber Defense Technologies (CDT) is seeking a proactive and technically skilled Tier 2 Help Desk/ Systems Administrator. The ideal candidate will have strong troubleshooting abilities, excellent communication skills and experience resolving complex technical issues. Clearance Requirements:
An active TS/SCI with Full Scope Polygraph is required. Candidates who do not meet this clearance requirements will not be considered. Responsibilities:
Perform desktop and helpdesk and client onsite support efforts, making sure all desktop applications, workstations, and related equipment problems are resolved in a timely manner with limited disruption.
Troubleshoot, identify, escalate issues, and remediate/triage problems and changes.
Responsible for the maintenance, configuration, and availability of computer systems, networks, and virtualization environments.
Install and upgrade computer components, i.. e, hardware, firmware and software in both physical and virtual environments.
Troubleshoot hardware and software errors by running diagnostics, document and analyze problems, drive issues towards resolutions
Ability to prioritize individual workload to meet the needs of the team and program.
Work within a defined Change Management process by suggesting new and existing IT infrastructure changes, plan hardware and software upgrades, uplift existing documentation, etc.
Track/manage project scope activities, deliverables, schedules, budget inputs, and tasks list to successful completion.
Provide advanced support for escalated technical issues from Tier 1, including hardware, software, network, system-related problems, user access issues
Communicate clearly and professionally with end users, technical teams, and management and resolve technical problems
Maintain detailed records of support interactions using ticketing systems (e.g., Jira, Service Now, Remedy etc.)
Work collaboratively with Tier 3 or infrastructure teams for complex issues or project support
Follow established security protocols and procedure when handling sensitive data
5% Travel

Qualifications:

Working knowledge of virtualization, VMWare, Hyper-V, or equivalent.

Experience with Windows Systems Administration.
Knowledge of Windows servers and current client operating systems.
3+ years of experience in an IT support role preferred.
Ability to handle multiple changing and conflicting priorities.
Ability to diagnose server/workstation or network alerts, events or issues.
Strong interpersonal and communication skills, both written and verbal.

Experience with common ticketing systems such as Service Now, Remedy, or Zendesk.

Experience with Window OS, Linux, Office 365 and basic networking concepts
Ability to work independently and in a team-oriented environment.
Ability to work in a fast-paced environment.
Excellent problem-solving and time management skills.

Preferred Qualifications:

Experience with implementation, uplift, and use of automation processes and techniques, e.g., Ansible, Python, and Shell scripting.
Experience implementation, upkeep, and troubleshooting technologies within Cloud/Virtual environment (Hybrid and/or on-premise)

Experience with Type-1 Hypervisors, e.g., VMware, Nutanix, Hyper-V

Experience with hardening principles and frameworks, e.g. CIS benchmarks, SRG/STIGs, SCAP, GPOs, etc.

Experience with Active Directory and/or LDAP
CompTIA A+, Network+, Security + or similar certification.
Associate or bachelor’s degree in IT, Computer Science or a related field. Why Join Cyber Defense Technologies?
At CDT, we offer a collaborative and inclusive work environment where your expertise help desk can help shape the future of cybersecurity and engineering solutions. Compensation and Benefits:
Competitive salary based on experience.
Comprehensive benefits package, including health, dental, and retirement plans.
Opportunities for professional development and career advancement.
Apply Now:
If you are a proactive Tier 2 Help Desk/ System Administrator and thrive in dynamic environments, we encourage you to apply and join the CDT team! Salary Range: $120,000 - $160,000 based on experience CDT is committed to hiring and retaining a diverse workforce. We are an Equal Opportunity employer making decisions without regard to race, color, religion, creed, sex, sexual orientation, gender identity, marital status, national origin, age, veteran status, disability, or any other protected class.
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