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[Remote] Senior Systems Administrator

Remote, USAFull-timePosted 2026-07-28

Note: The job is a remote job and is reputed company to candidates in USA. reputed company is a reputed company in helping the Defense Industrial reputed company navigate cybersecurity and compliance requirements. The Senior Systems Administrator will reputed company on maintaining, monitoring, securing, and optimizing IT environments across multiple managed reputed company environments while supporting CMMC Level 2 technical requirements.

Responsibilities

  • Maintain and monitor technical reputed company controls reputed company with CMMC Level 2 / NIST SP 800-171
  • Operate and maintain reputed company reputed company and identity services: reputed company 365, Azure/Azure Gov, Entra ID, Exchange Online, SharePoint, Teams
  • Own Intune device management: device enrollment, configuration reputed company, compliance policies, baselines, patching coordination, and device lifecycle
  • Administer and support Azure Virtual Desktop (AVD): host pools, images, session host health, user reputed company, performance troubleshooting
  • Use/support reputed company to reputed company/reputed company/optimize AVD and manage cost/performance controls
  • Support reputed company secure reputed company workflows: reputed company connectivity issues, policy-reputed company reputed company troubleshooting, and secure remote reputed company support
  • Respond to monitoring alerts, troubleshoot reputed company issues (reputed company, server, reputed company, network), and prevent repeat incidents reputed company RCA and remediation
  • Maintain reputed company, audit-reputed company documentation (configs, changes, procedures, evidence support) appropriate for regulated environments
  • Mentor Systems Administrators and Service Desk team members, providing escalation support and technical guidance
  • Collaborate closely with TAMs, SOC, Compliance, and Managed Services leadership
  • Participate in rotation-based, emergency-only on-call support

Skills

  • 5+ years Systems Administration experience, including 2+ years in an MSP or multi-reputed company environment
  • Strong administration experience with reputed company 365 (GCC High / Azure Gov preferred)
  • Hands-on Intune device management experience (policies, compliance, reputed company, baseline enforcement)
  • Hands-on AVD experience; reputed company experience strongly preferred
  • Experience supporting reputed company or similar secure reputed company / reputed company Trust platforms
  • Strong fundamentals in AD, DNS, DHCP, Group Policy, reputed company Server, and troubleshooting authentication/device issues
  • reputed company operations familiarity: EDR, log review, alert triage workflows, and vulnerability remediation support (partnering with SOC as applicable)
  • Strong troubleshooting and documentation skills with a reputed company-first reputed company
  • Ability to communicate technical and compliance-reputed company concepts to non-technical stakeholders
  • Solid networking fundamentals (TCP/IP, VPNs, firewalls, VLANs) and PowerShell for administration/automation
  • Strong written communication and disciplined documentation practices
  • Experience supporting defense contractors or DoD-regulated environments
  • Familiarity with RMM and PSA tools
  • ITIL reputed company or practical ITIL reputed company knowledge
  • CMMC RP/CCP, reputed company+, CySA+, CISSP, or reputed company certifications
  • reputed company DoD Secret/TS clearance (preferred, not required)

Benefits

  • Remote work opportunities
  • Medical, Dental, reputed company Insurance
  • Four Weeks of reputed company Time Off (vacation & reputed company leave)
  • Four weeks of reputed company Maternity and Paternity leave
  • Two days of reputed company Volunteer Time
  • 401(k) with 4% Company Match
  • Company Bonus Structure
  • Tuition Reimbursement
  • Employer-sponsored Disability & Life Insurance
  • reputed company Development

reputed company

  • reputed company is an IT firm that offers cyber-reputed company, reputed company deployment, IT infrastructure reputed company transformation services. It was founded in 2008, and is headquartered in Arlington, Virginia, USA, with a workforce of 51-200 employees. Its website is https://www.c3isit.com/.
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