ClearanceJobs
Senior Systems Administrator III - Springfield, VA; Must have an
ClearanceJobs, Springfield, Virginia, us, 22161
Senior Systems Administrator III - Generalist
Springfield, VA Full-Time | On-site | Immediate Hire Join Synertex and bring your expertise to a mission that matters. We're looking for a Senior Systems Administrator III - Generalist with a background in enterprise IT operations, server administration, and multi-platform environments to support critical national security initiatives. If you're passionate about maintaining secure, high-performance enterprise systems and thrive in a fast-paced, mission-driven role-this opportunity is for you. Responsibilities
Provide Operations & Maintenance (O&M) support, including installation, configuration, hardening, testing, sustainment, remediation, upgrades, and decommissioning of enterprise server-based solutions. Support enterprise multi-platform environments (Microsoft, Linux/Unix, Citrix, etc.) across LAN, MAN, and WAN networks. Manage and administer enterprise server solutions including Citrix, Esri, McAfee, Microsoft, Red Hat, ServiceNow, and SolarWinds. Serve as an escalation tier for the Server O&M team, providing advanced troubleshooting and remediation. Produce and maintain technical documentation such as as-built diagrams, performance/capacity plans, SOPs, workflows, and run books. Requirements
7+ years of progressive experience providing O&M support for enterprise operating systems (Windows Server, RHEL, etc.), applications, and services (AD, Exchange, SharePoint, SQL, File Services, etc.). 5+ years of hands-on experience managing Microsoft Active Directory Domain/Forest Functional Level 2008 R2 or higher (DFL/FFL), including Domain Controllers, LDAP/S, DNS, and DHCP. 5+ years of experience operating in secure environments compliant with DISA SRGs/STIGs and U.S. Government IA/INFOSEC standards. Strong knowledge of Microsoft enterprise applications and services (Exchange, IIS, SQL, SharePoint, DFS, PKI, KMS). Familiarity with automation and scripting technologies (PowerShell, Bash, VBScript) for O&M tasks. Meets Cyber IT/Cybersecurity Workforce (CSWF) System Administrator (451) Intermediate Level requirements per SECNAV M-5239.2. Bachelor's degree from an accredited university OR one of the following certifications: CompTIA Security+ CE GIAC Security Essentials Certification (GSEC) Systems Security Certified Practitioner (SSCP) Active DoD TS/SCI clearance with ability to obtain and maintain a Polygraph. Desired Qualifications
Strongly desired: Microsoft Certified Solutions Associate (MCSA): Windows Server 2016 and GIAC GCWN. MCSE: Core Infrastructure is most desired. Technical certifications in other enterprise OSs, applications, and technologies (Citrix, Cisco, Microsoft, Red Hat, Splunk, SolarWinds). Experience with newer Microsoft enterprise technologies: Active Directory, Windows 10, Windows Server 2016, SQL Server 2016, IIS 10 (including Server Core). Experience implementing and maintaining High-Availability (HA) Server technologies: NLB, WFC, Exchange DAGs, IIS ARR Web Farms, SQL Always-On Availability Groups. Experience implementing, configuring, securing, and maintaining enterprise solutions aligned with vendor/industry INFOSEC standards, DISA SRG/STIG, IA compliance, cryptography (DARE, DIFE). Experience remediating INFOSEC vulnerabilities: receiving notices, researching solutions, presenting to customer, and implementing fixes within required timelines. Experience mentoring and providing On-the-Job Training (OJT) to junior staff. Working knowledge/experience with Microsoft SCCM: endpoint baselining, inventory, patching, software metering across global WANs. Experience with SCCM Collections, Applications, Deployment Packages, and Update Groups is a plus. Experience performing advanced troubleshooting to quickly assess, resolve, and restore systems while maintaining configuration integrity and INFOSEC posture. Experience with Microsoft AD Certificate Services (ADCS) providing PKI for server, client, encryption, code signing, and digital certificates. Experience with Microsoft Exchange in dispersed configurations (2010 or newer). Experience with Microsoft SharePoint (MOSS) and Outlook Web Apps (OWA) for enterprise collaboration. Broad working knowledge of the IT technology stack: physical, networking, storage, virtualization, servers, applications, and services. Familiarity with Windows Server Update Services (WSUS) in air-gapped environments. Familiarity with Microsoft DFS (DFS-N, DFS-R) for namespace and replication. Familiarity with Microsoft Volume Activation Services (ADBA, KMS). Familiarity with McAfee ePO, MOVE, and VSES for IA/INFOSEC endpoint protection. Familiarity with the SolarWinds Orion platform (NPM, NTA, NCM, IPAM, UDT, NTM, DPA, SAM, etc.) for enterprise monitoring. Experience providing O&M support in Virtual Desktop Infrastructure (VDI), ideally with Citrix Virtual Apps & Desktops. Familiarity with networking fundamentals: routing/switching, TCP/IP, traffic analysis, packet capture, and flow analysis. Join a mission-driven team advancing enterprise IT and national defense capabilities. Apply today and become part of Synertex's legacy of innovation, leadership, and excellence.
Springfield, VA Full-Time | On-site | Immediate Hire Join Synertex and bring your expertise to a mission that matters. We're looking for a Senior Systems Administrator III - Generalist with a background in enterprise IT operations, server administration, and multi-platform environments to support critical national security initiatives. If you're passionate about maintaining secure, high-performance enterprise systems and thrive in a fast-paced, mission-driven role-this opportunity is for you. Responsibilities
Provide Operations & Maintenance (O&M) support, including installation, configuration, hardening, testing, sustainment, remediation, upgrades, and decommissioning of enterprise server-based solutions. Support enterprise multi-platform environments (Microsoft, Linux/Unix, Citrix, etc.) across LAN, MAN, and WAN networks. Manage and administer enterprise server solutions including Citrix, Esri, McAfee, Microsoft, Red Hat, ServiceNow, and SolarWinds. Serve as an escalation tier for the Server O&M team, providing advanced troubleshooting and remediation. Produce and maintain technical documentation such as as-built diagrams, performance/capacity plans, SOPs, workflows, and run books. Requirements
7+ years of progressive experience providing O&M support for enterprise operating systems (Windows Server, RHEL, etc.), applications, and services (AD, Exchange, SharePoint, SQL, File Services, etc.). 5+ years of hands-on experience managing Microsoft Active Directory Domain/Forest Functional Level 2008 R2 or higher (DFL/FFL), including Domain Controllers, LDAP/S, DNS, and DHCP. 5+ years of experience operating in secure environments compliant with DISA SRGs/STIGs and U.S. Government IA/INFOSEC standards. Strong knowledge of Microsoft enterprise applications and services (Exchange, IIS, SQL, SharePoint, DFS, PKI, KMS). Familiarity with automation and scripting technologies (PowerShell, Bash, VBScript) for O&M tasks. Meets Cyber IT/Cybersecurity Workforce (CSWF) System Administrator (451) Intermediate Level requirements per SECNAV M-5239.2. Bachelor's degree from an accredited university OR one of the following certifications: CompTIA Security+ CE GIAC Security Essentials Certification (GSEC) Systems Security Certified Practitioner (SSCP) Active DoD TS/SCI clearance with ability to obtain and maintain a Polygraph. Desired Qualifications
Strongly desired: Microsoft Certified Solutions Associate (MCSA): Windows Server 2016 and GIAC GCWN. MCSE: Core Infrastructure is most desired. Technical certifications in other enterprise OSs, applications, and technologies (Citrix, Cisco, Microsoft, Red Hat, Splunk, SolarWinds). Experience with newer Microsoft enterprise technologies: Active Directory, Windows 10, Windows Server 2016, SQL Server 2016, IIS 10 (including Server Core). Experience implementing and maintaining High-Availability (HA) Server technologies: NLB, WFC, Exchange DAGs, IIS ARR Web Farms, SQL Always-On Availability Groups. Experience implementing, configuring, securing, and maintaining enterprise solutions aligned with vendor/industry INFOSEC standards, DISA SRG/STIG, IA compliance, cryptography (DARE, DIFE). Experience remediating INFOSEC vulnerabilities: receiving notices, researching solutions, presenting to customer, and implementing fixes within required timelines. Experience mentoring and providing On-the-Job Training (OJT) to junior staff. Working knowledge/experience with Microsoft SCCM: endpoint baselining, inventory, patching, software metering across global WANs. Experience with SCCM Collections, Applications, Deployment Packages, and Update Groups is a plus. Experience performing advanced troubleshooting to quickly assess, resolve, and restore systems while maintaining configuration integrity and INFOSEC posture. Experience with Microsoft AD Certificate Services (ADCS) providing PKI for server, client, encryption, code signing, and digital certificates. Experience with Microsoft Exchange in dispersed configurations (2010 or newer). Experience with Microsoft SharePoint (MOSS) and Outlook Web Apps (OWA) for enterprise collaboration. Broad working knowledge of the IT technology stack: physical, networking, storage, virtualization, servers, applications, and services. Familiarity with Windows Server Update Services (WSUS) in air-gapped environments. Familiarity with Microsoft DFS (DFS-N, DFS-R) for namespace and replication. Familiarity with Microsoft Volume Activation Services (ADBA, KMS). Familiarity with McAfee ePO, MOVE, and VSES for IA/INFOSEC endpoint protection. Familiarity with the SolarWinds Orion platform (NPM, NTA, NCM, IPAM, UDT, NTM, DPA, SAM, etc.) for enterprise monitoring. Experience providing O&M support in Virtual Desktop Infrastructure (VDI), ideally with Citrix Virtual Apps & Desktops. Familiarity with networking fundamentals: routing/switching, TCP/IP, traffic analysis, packet capture, and flow analysis. Join a mission-driven team advancing enterprise IT and national defense capabilities. Apply today and become part of Synertex's legacy of innovation, leadership, and excellence.