Systems - Sr. Systems Administrator

Sr. Systems Administrator (Azure) Location: Chantilly, VA Qualifications 4 to 7 years of recent Windows Systems Administration – Azure 4 to 7 years of recent infrastructure-focused Azure experience Proficiency with scripting/automation tools (PowerShell, Bash, Python, etc.) and firewalls Experience managing cloud environments – Azure including identity, compute, and security configurations Strong proficiency with Windows Server administration and core infrastructure services Hands‑on experience with virtualization platforms such as VMware or Hyper‑V Solid understanding of networking concepts: TCP/IP, DNS, DHCP, VLANs, routing Advanced troubleshooting and analytical skills across systems, networks, and cloud services Familiarity with current CMMC requirements and general cybersecurity best practices Microsoft Certified: Azure Administrator Associate (AZ‑104) Cisco CCNA or CCNP required CompTIA Security+ (or higher‑level security certification) required Bachelor’s degree in Computer Science, Information Technology, or related field (preferred; equivalent experience considered) Duties This position requires deep technical expertise, strong problem‑solving abilities, and the ability to collaborate effectively with IT leadership and cross‑functional teams to support a high‑performing, secure enterprise environment. Design, administer, and optimize Windows Server environments, virtualization platforms, storage systems, and core network components Manage on‑premises and cloud infrastructure – virtual machines, identity services, backups, security configurations, and enterprise applications throughout their full lifecycle Oversee firewalls, switches, wireless networks, and VPN systems to ensure secure and reliable connectivity across all locations Lead patching, updates, monitoring, and performance tuning while providing Tier 3 escalation support for complex incidents and outages Troubleshoot advanced system, network, and integration issues across both on‑premises and cloud environments to minimize operational impact Implement and enforce security best practices, including access controls, encryption, logging, monitoring, vulnerability remediation, and system hardening aligned with CMMC/NIST requirements Conduct regular system health checks, security audits, and risk assessments, documenting findings and remediating gaps proactively Develop scripts, automation tools, and streamlined workflows to improve operational efficiency and reduce manual effort Create and maintain comprehensive documentation, including configurations, procedures, diagrams, policies, and system change records Collaborate with IT leadership and external partners (vendors, MSPs, MSSPs) on strategic planning, solution evaluations, infrastructure modernization, and technical project implementations Mentor junior administrators and support staff, providing technical guidance and knowledge transfer to elevate team capabilities Progression Inc. is an affirmative action/equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, status as a protected veteran, or status as an individual with a disability. #J-18808-Ljbffr