{"schemaVersion":"jobsearcher.job.v1","id":"01d5e092ca843b39ddcb577d","url":"https://jobsearcher.com/jobs/01d5e092ca843b39ddcb577d","canonicalUrl":"https://jobsearcher.com/jobs/01d5e092ca843b39ddcb577d","title":"Senior Windows Server Systems Administrator","description":"Job Title: Senior Windows Server Systems Administrator Location: Washington, DC (Remote) Type: Contract Compensation: $40.00/HR - $78.00/HR on W2Security Clearance: Candidate subject to a Government Public Trust security investigation; current clearance not required, but assignment begins after clearance approvalResponsibilities:Configure and troubleshoot Windows Server operating systems supporting Active Directory, DNS, and Certificate AuthoritiesDemonstrate extensive understanding and management of Active Directory systems and maintain them effectivelyManage DNS, Certificate Authority, Certificate Management, and Authentication Services such as ADFS, SAML, SSO, and OKTAApply STIG and VPR security adjustments as needed to ensure complianceManage and monitor the certificate environment to ensure timely issuance and installation without outagesDevelop scripts to check system health and automate monitoring of Active Directory, DNS, and Certificate AuthoritiesDesign, develop, and support scalable, redundant infrastructure, including physical, virtualized, and cloud environmentsInstall, configure, and manage Windows-based certificate authority serversConfigure group management policies, including role-based management; set up administrator and service accountsMaintain system documentation, optimize performance, and install system-wide software updatesImplement security controls based on NIST and DISA guidelines, including security hardening changesPerform critical system patches and manage storage space effectivelyEnhance infrastructure to incorporate the latest technologies and cross-application integrationsCollaborate daily with engineering teams and system owners to influence design and architecture solutions in multi-tier environmentsManage project priorities, deliverables, and deadlines efficientlyProduce clear technical documentation for all solutions deliveredRequirements:Bachelor’s degree from an accredited college in Computer Science, Systems Engineering, or a related discipline, with 8+ years of relevant experience; Master’s degree with 6+ years of relevant experience accepted as substitutionProficiency in orchestrating workflows with data dependencies and automation, including PowerShell scriptingMinimum of 5 years of experience with Directory Services (Microsoft Active Directory, Entra ID/Azure AD)At least 4 years of experience providing Tier II & III Windows supportExperience with Authentication services such as ADFS, OKTA, or equivalent (minimum 3 years)Experience managing certificates and certificate authorities from providers like Microsoft, Digicert, Entrust/Sectigo, SSL.comStrong collaboration skills across disciplines and ability to operate independentlyExcellent verbal and written communication skills to convey complex technical concepts effectivelyWillingness to work on-call as needed and handle diverse technical responsibilitiesSystem One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.System One is an Equal Opportunity Employer. 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