Senior Security Administrator, Microsoft

Job not on LinkedIn

🔥 1 minute ago

⚔️ Virginia – Remote

⚔️ Virginia – Remote

⏰ Full Time

🟠 Senior

👮‍♂️ Cybersecurity / Security Engineer

👻 Ghost score 10%

What it means: how likely this posting is sitting open without active hiring.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

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Accelera Solutions

WebsiteLinkedInAll Job Openings

51 - 200 employees

Founded 2002

💼 Consulting

🎖️ Defense

🏥 Healthcare

Consulting • Defense • Healthcare

Accelera Solutions is a technology services company specializing in cloud, cybersecurity, systems engineering, and custom software solutions for government and commercial clients. With decades of experience, the firm delivers cloud migration and managed services, DevOps/DevSecOps, data analytics, AI/ML, API and IoT integrations, and 24/7 help-desk support, focusing on reliability, security, and operational excellence. Accelera serves defense, federal, local government, healthcare, space, and commercial sectors from its headquarters in Tysons, VA.

📋 Description

• Continuously monitor Defender health, alerts, onboarding status, sensor health, policy enforcement, and security configuration • Ensure Next-Generation Antivirus solutions run optimally; address alerts and perform routine checks and updates • Maintain attack surface reduction rules and controls; report deviations to the engineering team • Verify cloud-delivered protection updates and threat intelligence are received and applied • Ensure Microsoft Defender integrates with Microsoft Sentinel and other SIEM tools • Monitor centralized logging, analytics, and reporting dashboards; perform SIEM data analysis as required • Verify security across Windows, Linux, and mobile devices • Generate and review reports on security posture, incidents, and compliance • Ensure dashboards and alerts function correctly • Follow established procedures and escalate issues or anomalies to the engineering team • Ensure Windows Defender Application Control policies are correctly applied • Implement and monitor DLP policies across endpoints, mobile devices, and cloud services using Microsoft Defender, Intune, and Purview • Implement approved DLP waivers and report policy violations or data exfiltration attempts • Maintain unified DLP reporting and alerts

🎯 Requirements

• A bachelor’s degree in computer science, Information Security, or a related field • 3+ Years of relevant experience • Experience with Microsoft Defender for Endpoint and Microsoft Defender for Cloud, including Defender for Servers • Familiarity with endpoint security, threat hunting, and incident response • Familiarity with SIEM solutions, especially Microsoft Sentinel • Understanding of industry compliance standards (e.g., NIST SP 800-53) and relevant regulations (e.g., RMF, DISA STIGs, DoDI 8500.01/8510.01, CMMC/NIST 800-171) is advantageous • Willingness to stay updated with the latest cybersecurity trends and emerging security tools • Required DoD 8140 compliant certification such as CompTIA Security+ • Active DoD Secret Clearance • Experience with ServiceNow or other ticketing system • Experience administering and working with Windows and Linux operating systems • Microsoft Active Directory/Entra • Microsoft PowerBI Dashboarding • Advanced PowerShell scripting or prior software development experience • DoD PKI