×
Register Here to Apply for Jobs or Post Jobs. X

Microsoft Defender Specialist - TS​/SCI CI Poly

Job in Reston, Fairfax County, Virginia, 22090, USA
Listing for: ENS Solutions, LLC
Full Time position
Listed on 2025-12-02
Job specializations:
  • IT/Tech
    Cybersecurity, Cloud Computing, Systems Administrator, Network Security
Job Description & How to Apply Below
Position: Microsoft Defender Specialist - Active TS/SCI with CI Poly

Microsoft Defender Specialist - Active TS/SCI with CI Poly

Implementing the Microsoft Defender solution and supporting the transition to emerging Microsoft technologies. Experience with the Microsoft Defender Suite including Microsoft Defender for Endpoint (MDE), Microsoft Defender for Office (MDO), Defender Cloud Apps (MDCA), and Mobile Threat Defender (MTD) is needed, and to assist with deployment of complex architectures based on Microsoft Intune, Endpoint Manager, and 365 Defender center. In addition to implementing the Microsoft Defender solution including MDE, MDO, MDCA, and MTD, this position will be responsible for developing SOPs/TTPS for maintaining agent handlers, repositories, Microsoft Intune, Microsoft 365 Defender, and Microsoft Defender for Cloud Apps and support the transition from DoD Enterprise Capabilities to emerging Microsoft technologies.

This position will deploy complex architectures based on Microsoft Intune, Endpoint Manager, and 365 Defender center, coordinating efforts to test and verify solutions for future implementation. This position requires the ability to work core hours between 6:00 am to 6:00 pm during the week and participate in on-call rotation for after-hours support.

Responsibilities
  • Experience with Microsoft Intune and Microsoft Defender
  • Experience with server management, including virtualization, and Windows server administration
  • Experience with scripting languages, including Power Shell and KQL
  • Experience with Azure in hybrid environments, Active Directory on prem and cloud, and Group Policies
  • Experience with end user technology deployments and upgrades
  • Experience with supporting Microsoft Defender for Endpoint (MDE), Microsoft Defender for Office (MDO), Microsoft Defender for Cloud and Sentinel, Microsoft Defender for Endpoint Mobile Threat Defense (MTD), Microsoft Endpoint Manager Admin Center, Microsoft Security Administration, Microsoft Office 365, and Microsoft Configuration management service center
  • Active TS/SCI clearance; willingness to take a polygraph exam
  • Education/experience requirements: HS diploma or GED with 7+ years of IT project support experience, Associates degree with 5+ years, or Bachelors degree with 3+ years
  • DoD 8570 IAT Level II Certification (CCNA-Security, CySA+, GICSP, GSEC, Security+ CE, CND, or SSCP) or equivalent
  • Ability to obtain DoD 8570.01-M Cybersecurity Service Provider - Infrastructure Support Certification (CEH, CySA+, GICSP, SSCP, CHFI, CFR, Cloud+, or CND) within 60 days of start
Optional Qualifications
  • Experience in managing and administering systems for software deployments, patches, and scripts in a large enterprise
  • Experience collaborating to identify, manage, and report deployment metrics
  • Experience managing complex IT projects across multiple teams
  • Experience tracking and resolving incidents via ticket queue
  • Experience providing hands-on PC and mobile end-user support
  • Ability to propose cost-effective, outside-the-box solutions
  • Strong attention to detail and excellent written and verbal communication
Benefits

Essential Network Security (ENS) Solutions, LLC is a service-disabled veteran owned, IT consulting and management firm serving the DoD and IC. Our focus areas include Identity, Credential and Access Management (ICAM), Software Development, Cyber and Network Security, System Engineering, Program/Project Management, IT support, Solutions, and Services. We emphasize innovation, scalability, and collaboration in delivering infrastructure to our clients.

  • Free Platinum-Level Medical/Dental/Vision coverage, 100% paid by ENS
  • 401k Contribution from Day 1
  • PTO + 11 Paid Federal Holidays
  • Long & Short Term Disability Insurance
  • Group Term Life Insurance
  • Tuition, Certification & Professional Development Assistance
  • Workers' Compensation
  • Relocation Assistance
Seniority level
  • Mid-Senior level
Employment type
  • Full-time
Job function
  • Other
Industries
  • IT Services and IT Consulting

Referral note:
Apply BELOW

To View & Apply for jobs on this site that accept applications from your location or country, tap the button below to make a Search.
(If this job is in fact in your jurisdiction, then you may be using a Proxy or VPN to access this site, and to progress further, you should change your connectivity to another mobile device or PC).
 
 
 
Search for further Jobs Here:
(Try combinations for better Results! Or enter less keywords for broader Results)
Location
Increase/decrease your Search Radius (miles)

Job Posting Language
Employment Category
Education (minimum level)
Filters
Education Level
Experience Level (years)
Posted in last:
Salary