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Remote · Unlimited leave · IT Support Specialist

IT Help Desk Specialist

DEFCON AI · McLean · United States

Remote Posted Open until 29 Oct 2026
  • Remote A fully remote work environment — job description
  • Unlimited leave Unlimited PTO, with your manager’s approval — job description

The job, in the employer's words

ABOUT DEFCON AI

RESILIENCE IN THE FACE OF DISRUPTION. DEFCON AI is an insights company that leverages artificial intelligence, mathematical optimization, data analytics, and software engineering for resilient optimization of complex systems.
In today’s dynamically changing world, DEFCON AI’s technology aligns outcomes with operational goals, better decision making, and empowers customers to anticipate assess, and mitigate the impacts of disruptions.

About the Role  

We are seeking an IT Help Desk Specialist to own day-to-day end user support for a fast-growing, defense-focused organization of 70+ employees. This role is the first point of contact for IT requests, manages the user account lifecycle, and builds out our self-service Knowledge Base. You will work in a Microsoft 365 environment with a strong emphasis on security and compliance. 

This is an ideal opportunity for someone who enjoys being the go-to problem solver, takes pride in delivering excellent employee support, and wants exposure to a security-conscious defense-tech environment. 

Key Responsibilities  

  • Manage the help desk ticket queue in Zendesk, triaging, resolving, and escalating requests within defined service levels 
  • Provide Tier 1 and Tier 2 support for Windows and macOS endpoints, Microsoft 365 applications, mobile devices, and conference room equipment 
  • Own the account lifecycle: create, modify, and deactivate user accounts in Microsoft Entra ID and connected SaaS applications 
  • Execute new hire onboarding and employee offboarding, including device provisioning, license assignment, and access removal 
  • Expand and maintain the IT Knowledge Base with clear, accurate how-to articles and troubleshooting guides 
  • Enroll, inventory, and support devices through Microsoft Intune and the RMM platform 
  • Reset passwords and support MFA enrollment and sign-in issues 
  • Maintain accurate asset and license records 
  • Follow security and compliance procedures in all support activities, and report suspected security incidents promptly 
  • Identify recurring issues and recommend process or tooling improvements 

 Required Qualifications  

  • 2+ years of help desk or desktop support experience 
  • Hands-on experience administering Microsoft 365 and Entra ID user accounts, groups, and licenses 
  • Working knowledge of Windows and macOS troubleshooting 
  • Experience with a ticketing system such as Zendesk, ServiceNow, or Jira Service Management 
  • Strong written communication skills, with the ability to write clear end user documentation 
  • Customer-focused approach and the ability to manage multiple requests at once 
  • U.S. Citizenship Required 

Preferred Qualifications  

  • Experience with Microsoft Intune, Conditional Access, or an RMM platform such as NinjaOne 
  • Familiarity with CMMC, NIST SP 800-171, or other federal compliance frameworks 
  • Experience supporting a defense contractor or other regulated environment 
  • CompTIA A+, Security+, or Microsoft 365 certifications (e.g., MD-102, MS-900) 
  • Ability to obtain and maintain a U.S. security clearance 

What We Offer:  

  • A fully remote work environment 
  • Competitive salary, bonus, and equity package 
  • 100% employer paid, comprehensive health insurance including medical, dental, and vision for you and your family 
  • Unlimited PTO, with your manager’s approval 
  • Flexible work environment where you manage your work day 
  • 14 weeks of fully-paid parental leave 

Salary Range: $65,000-$75,000. This represents the typical salary range for this position based on experience, skills, and other factors. 

We’re an Equal Opportunity Employer: You’ll receive consideration for employment without regard to race, sex, color, religion, sexual orientation, gender identity, national origin, protected veteran status, or on the basis of disability. 

Applicant Data Disclosure   
By submitting an application, you acknowledge that Defcon AI uses third-party service providers to facilitate its recruitment and hiring processes. These providers include applicant tracking systems, candidate verification platforms, and fraud detection tools (collectively, "Hiring Platforms"). Your application materials, including your résumé, cover letter, work samples, responses to application questions, and any other information you submit, may be transmitted to and processed by these Hiring Platforms for the following purposes:  
  • Managing and administering your application throughout the hiring process; 
  • Verifying the accuracy and authenticity of application materials, including by cross-referencing information you provide against publicly available sources and proprietary databases; 
  • Identifying indicators of potentially fraudulent, fabricated, or materially misleading application content, including but not limited to discrepancies between submitted materials and publicly available professional profiles, geographic anomalies, and fabricated work histories. 
Applications that are flagged through this process as containing indicators of fraud or material misrepresentation may be declined from further consideration. If you have questions about the status of your application or the evaluation process, please contact recruiting@defconai.com.  
 
Defcon AI requires its Hiring Platform providers to process your information solely for the purposes described above and in accordance with applicable law. Your information will be retained only for as long as necessary to fulfill these purposes and any applicable legal obligations, after which it will be deleted in accordance with Defcon AI's data retention policies.
For more information about how your data is used, please refer to our Privacy Policy and Applicant Privacy Notice.  

 

Benefits mentioned

  • A fully remote work environment
  • Competitive salary, bonus, and equity package
  • 100% employer paid, comprehensive health insurance including medical, dental, and vision for you and your family
  • Unlimited PTO, with your manager’s approval
  • Flexible work environment where you manage your work day
  • 14 weeks of fully-paid parental leave
  • Salary Range: $65,000-$75,000. This represents the typical salary range for this position based on experience, skills, and other factors.
  • We’re an Equal Opportunity Employer: You’ll receive consideration for employment without regard to race, sex, color, religion, sexual orientation, gender identity, national origin, protected veteran status, or on the basis of disability.

Requirements mentioned

  • 2+ years of help desk or desktop support experience
  • Hands-on experience administering Microsoft 365 and Entra ID user accounts, groups, and licenses
  • Working knowledge of Windows and macOS troubleshooting
  • Experience with a ticketing system such as Zendesk, ServiceNow, or Jira Service Management
  • Strong written communication skills, with the ability to write clear end user documentation
  • Customer-focused approach and the ability to manage multiple requests at once
  • U.S. Citizenship Required
  • Experience with Microsoft Intune, Conditional Access, or an RMM platform such as NinjaOne
  • Familiarity with CMMC, NIST SP 800-171, or other federal compliance frameworks
  • Experience supporting a defense contractor or other regulated environment
  • CompTIA A+, Security+, or Microsoft 365 certifications (e.g., MD-102, MS-900)
  • Ability to obtain and maintain a U.S. security clearance

No Mondays shows this listing as the employer published it. Check the details on the employer's site before you apply.

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Remote share — IT Support Specialist jobs in United States

83% are remote

130 of 156 jobs we have listed

How long they stay open — IT Support Specialist jobs in United States

28 days median time open before the listing ended

Based on 29 ended listings

Advertised pay — IT Support Specialist jobs in United States

USD 105k median advertised pay / year

Middle half: USD 86k – USD 135k

From 67 listings that state pay