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Keywords: Senior Systems Administrator (Directory Services), Location: Washington DC

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Senior Systems Administrator (Directory Services)

Responsibilities We are seeking an experienced Senior Systems AdministratorDirectory Services to lead the design... Active Directory, hybrid identity architectures, and secure authentication services across complex, multi-domain environments...

Company: Peraton
Location: Washington DC
Posted Date: 21 Feb 2026
Salary: $112000 - 179000 per year

Senior Systems Administrator (PKI)

Responsibilities We are seeking an experienced Senior Systems Administrator – PKI to architect, implement, and manage.... Collaborate with security, identity, directory services, network, and application teams. Maintain comprehensive PKI documentation...

Company: Peraton
Location: Washington DC
Posted Date: 21 Feb 2026
Salary: $112000 - 179000 per year

Senior Systems Administrator (macOS)

Responsibilities We are seeking an experienced Senior Systems Administrator – Apple macOS to manage, secure..., policies, and security baselines. Integrate macOS with enterprise services (Active Directory/LDAP, Exchange, identity...

Company: Peraton
Location: Washington DC
Posted Date: 21 Feb 2026
Salary: $112000 - 179000 per year

Cloud Systems Administrator Senior (Azure)

. Join GDIT as a Cloud Systems Administrator Senior and build an impactful career in enterprise IT, collaborating with people who... least privilege principles Integrate systems with Azure Active Directory or on-prem AD for centralized identity management and multi...

Company: General Dynamics
Location: Washington DC
Posted Date: 15 Feb 2026
Salary: $96569 - 130651 per year

Senior Systems Administrator

US Citizenship Required: Yes Job Description: Senior Systems Administrator Own your opportunity to join our team, bringing... Administrator to fill a Core Services position supporting the NNSA (National Nuclear Security Administration). The Systems...

Company: General Dynamics
Location: Washington DC
Posted Date: 07 Jan 2026
Salary: $96569 - 130651 per year

Senior Application Systems Administrator

Services (AWS) Windows Server Operating Systems (2019 or later) Internet Information Services (IIS) Microsoft .NET...DNI is a Prime Contractor providing professional and technical support services to the Federal Aviation Administration...

Posted Date: 13 Feb 2026
Salary: $100000 - 135000 per year

Technical Windows System Administrator SME

Job Description: Summary Technical Windows System Administrator SME Washington, DC Are you ready to enhance... Windows System Administrator SME to provide both hands-on technical expertise in managing, configuring, and optimizing cloud...

Company: Chenega
Location: Washington DC
Posted Date: 12 Feb 2026

System Administrator

candidate shall possess the knowledge and skills set forth in the Technical Services Client, Section 3.15.2.2 for a Senior... automation support to meet service level agreements. Information systems and applications used in the facility services, law...

Company: Ampcus
Location: Washington DC
Posted Date: 07 Feb 2026

Senior Systems Engineer

We are seeking a seeking a Senior Systems Engineer to support a critical U.S. government agency in the National Capital...-on experience in identity federation, enterprise directory services, secure access platforms, and modern endpoint and application...

Company: Bamboo Solutions
Location: Washington DC
Posted Date: 04 Feb 2026

Senior Infrastructure Integration Systems Engineer

, and design services for Windows-based systems across the enterprise. The Senior Integrator will be responsible for resolving...Talascend is currently seeking a Senior Infrastructure Integration Systems Engineer for a W-2 contract...

Company: Talascend
Location: Washington DC
Posted Date: 14 Jan 2026

Sr Systems Engineer Server

) We are seeking a highly experienced Senior Systems Engineer – Servers to provide enterprise server engineering, operations..., configure, secure, and maintain Active Directory, Group Policy, DNS, DHCP, and core Windows infrastructure services. Oversee...

Location: Washington DC
Posted Date: 15 Feb 2026

Computer Systems Engineer Architect – SME

authoritative knowledge of Active Directory, PKI, DNS, virtualization, and enterprise authentication systems-and you excel...‑critical directory services that support more than 100,000 users across the Department of the Interior. In this role...

Company: Aretec Inc
Location: Washington DC
Posted Date: 29 Jan 2026

Lead Windows Server Engineer

Senior Integrator will provide systems integration and systems administration support for Operations and Maintenance (O&M... Server Team is responsible for Windows servers, Active Directory, remote desktop services, OS vulnerability remediation...

Location: Washington DC
Posted Date: 21 Feb 2026