Application Administrator Jobs in Reston, VA

341 - 360 of 1,033 Jobs

Systems AdministratorJob Title - Systems Administrator

Booz Allen HamiltonCompany Name - Booz Allen Hamilton

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Chantilly, Virginia, USA

Full-time

Job Number: R0222813 Systems Administrator The Opportunity: Are you looking for an opportunity to combine your technical skills with big-picture thinking to make an impact at Booz Allen? You understand your customer's environment and how to develop the right systems for their mission. Your ability to translate real-world needs into technical specifications makes you an integral part of delivering a customer-focused engineering solution. Booz Allen is seeking a skilled Windows System Administrat

Senior Systems Administrator (Windows/Linux)Job Title - Senior Systems Administrator (Windows/Linux)

American Systems CorporationCompany Name - American Systems Corporation

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Washington, District of Columbia, USA

Full-time

Overview AMERICAN SYSTEMS is an employee-owned federal government contractor supporting national priority programs through our strategic solutions in the areas of Information Technology, Test & Evaluation, Program Mission Support, Engineering & Analysis, and Training. THIS POSITION INCLUDES A $5,000 SIGN-ON BONUS! Responsibilities As a Senior Systems Administrator, you will: Support on-premises Windows and Linux infrastructure and applications.Provide Tier II support for production and devel

M365 EngineerJob Title - M365 Engineer

TEKsystems c/o Allegis GroupCompany Name - TEKsystems c/o Allegis Group

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Reston, Virginia, USA

Full-time

Description Position Overview: We are seeking a knowledgeable and proactive Microsoft Office 365 Administrator and Governance Specialist to join our team. The ideal candidate will have deep expertise in managing and governing Microsoft 365 services, including Exchange Online, SharePoint Online, Teams, OneDrive, and Microsoft Entra ID. This role involves overseeing platform configuration, security, compliance, and lifecycle management, while also empowering end users through education and governa

Systems AdministratorJob Title - Systems Administrator

Aerospace CorporationCompany Name - Aerospace Corporation

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Chantilly, Virginia, USA

Full-time

The Aerospace Corporation is the trusted partner to the nation's space programs, solving the hardest problems and providing unmatched technical expertise. As the operator of a federally funded research and development center (FFRDC), we are broadly engaged across all aspects of space- delivering innovative solutions that span satellite, launch, ground, and cyber systems for defense, civil and commercial customers. When you join our team, you'll be part of a special collection of problem solvers,

Systems AdministratorJob Title - Systems Administrator

Booz Allen HamiltonCompany Name - Booz Allen Hamilton

•

Chantilly, Virginia, USA

Full-time

Job Number: R0222811 Systems Administrator The Opportunity: Are you looking for an opportunity to combine your technical skills with big-picture thinking to make an impact at Booz Allen? You understand your customer's environment and how to develop the right systems for their mission. Your ability to translate real-world needs into technical specifications makes you an integral part of delivering a customer-focused engineering solution. Booz Allen is seeking a skilled Windows System Administrat

Salesforce Implementation LeadJob Title - Salesforce Implementation Lead

Prutech SolutionsCompany Name - Prutech Solutions

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Arlington, Virginia, USA

Full-time

Salesforce Lead, Business Engagement & Solutions Location: Arlington, VA Onsite Mandatory [ 5 days at Office] May Require Security Clearance Federal Project Full-time with PruTech. The Opportunity: We are seeking a highly motivated and experienced Salesforce Lead to act as a crucial liaison between our business unit heads and our Salesforce development team. This individual will be a strategic partner, deeply understanding business challenges, identifying process improvement opportunities, and t

Systems AdministratorJob Title - Systems Administrator

ICFCompany Name - ICF

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Reston, Virginia, USA

Full-time

ICF's Digital Modernization Division is a rapidly growing, entrepreneurial, technology department. Our team is a leading provider of Digital Transformation services for Federal agencies. Our services focus on enabling agency mission and business transformation using industry-leading low-code platforms, mobile applications, robotics process automation, and data analytics platforms. We are partnered with some of the world's leading and most innovative companies like Salesforce, ServiceNow, Microso

Cloud Systems AdministratorJob Title - Cloud Systems Administrator

Alpha Omega Integration LLCCompany Name - Alpha Omega Integration LLC

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Vienna, Virginia, USA

Full-time

Job Title: Cloud Systems Administrator Clearance Required: Public Trust Clearance Work Location: Hybrid Rockville, MD Alpha Omega is seeking a qualified Cloud Systems Administrator to oversee the configuration and daily operations of various systems, including mainframe, mini, and client/server-based platforms. The ideal candidate will be responsible for optimizing system performance, ensuring efficient resource utilization and providing user support for business systems. Key Responsibilities:

JIRA AdministratorJob Title - JIRA Administrator

LeidosCompany Name - Leidos

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Arlington, Virginia, USA

Full-time

The Digital Modernization sector within Leidos is seeking a JIRA Administrator to support the Compartmented Enterprise Services Office (CESO). To be successful in this role, the candidate should have experience with performing all areas of JIRA administration, including systems administration, application management, change control, risk management and validation and verification for multiple product baselines. With the CESO program, the Defense Information System Agency (DISA) is looking to tr

Systems AdministratorJob Title - Systems Administrator

Booz Allen HamiltonCompany Name - Booz Allen Hamilton

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Arlington, Virginia, USA

Full-time

Job Number: R0222814 Systems Administrator The Opportunity: Are you looking for an opportunity to combine your technical skills with big-picture thinking to make an impact at Booz Allen? You understand your customer's environment and how to develop the right systems for their mission. Your ability to translate real-world needs into technical specifications makes you an integral part of delivering a customer-focused engineering solution. Booz Allen is seeking a skilled Windows System Administrat

Senior Systems AdministratorJob Title - Senior Systems Administrator

LeidosCompany Name - Leidos

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Vienna, Virginia, USA

Full-time

The National Security Sector at Leidos is seeking a Senior System Administrator to join a dynamic team based in Tysons Corner, VA. This exciting opportunity allows you to apply your expertise in system administration and software programming while supporting a small team responsible for managing a wide range of mission-critical systems. Key Details: Work hours fall within the core shift range of 0600-1600On-call duty is required one weekend every six weeksCandidates must successfully complete a

Systems Integration Lead (TS/SCI)Job Title - Systems Integration Lead (TS/SCI)

Maxar Technologies Holdings IncCompany Name - Maxar Technologies Holdings Inc

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Herndon, Virginia, USA

Full-time

Please review the job details below. Maxar is hiring a Systems Integration Lead for a High-Performance Computing (HPC) environment and will be responsible for the oversight and overall delivery of HPC and private cloud solutions developed for multiple customer program offices. As the Systems Integration Lead for the HPC solutions team, the successful candidate will be responsible for managing the overall work effort and products of the engineering and system administration staff over the full l

IT Service Management SpecialistJob Title - IT Service Management Specialist

LinTech Global Inc.Company Name - LinTech Global Inc.

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Washington, District of Columbia, USA

Full-time

IT Service Management Specialist LinTech Global Inc. is recruiting for an IT Service Management Specialist to support our contract at USPSOIG. Location: 100% Remote from Home Position Description Maintain the health, performance, and reliability of the ServiceNow platform. Configure and customize ServiceNow applications, including workflows, forms, business rules, and reporting capabilities to meet operational requirements. Manage user roles, permissions, and access control in alignment with s

Jr. Linux System Administrator (TS/SCI)Job Title - Jr. Linux System Administrator (TS/SCI)

Maxar Technologies Holdings IncCompany Name - Maxar Technologies Holdings Inc

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Herndon, Virginia, USA

Full-time

Please review the job details below. Maxar is currently seeking a Jr. Linux System Administrator to join our team. This role will be performed in our Maxar facility located in Herndon, Virginia. As a Maxar team member, you will have the opportunity to closely support our mission partners, and your work will have a direct impact on mission imperatives. In this role, you'll work as part of our infrastructure team and you will work closely with our software development DevOps and cybersecurity tea

SharePoint Systems AdministratorJob Title - SharePoint Systems Administrator

LeidosCompany Name - Leidos

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Bethesda, Maryland, USA

Full-time

At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers' success. We empower our teams, contribute to our communities, and operate sustainable practices. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. Our Mission, Vision, and Values guide the way we do business. Employees enjoy career enrichment opportunities available through mobility and development an

Senior Systems EngineerJob Title - Senior Systems Engineer

SAICCompany Name - SAIC

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Washington, District of Columbia, USA

Full-time

Job ID: 2506843 Location: WASHINGTON, DC, US Date Posted: 2025-06-18 Category: Information Technology Subcategory: IT Systems Engineer Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: None Clearance Level Must Be Able to Obtain: Public Trust Potential for Remote Work: Yes Description SAIC is seeking a Senior Systems Engineer to support a critical U.S. government agency in the National Capital Region. This SME-level role is ideal for an experienced systems engi

ORACLE DBAJob Title - ORACLE DBA

Yakshna Solutions, Inc.Company Name - Yakshna Solutions, Inc.

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Herndon, Virginia, USA

Full-time

As a System Administrator, you will be responsible for providing operational support to enterprise email and communication enabled business processes to include instant messaging, voice and - video calling, and ad-hoc and - structured conferences. Support for these tools is across multiple enclaves, Unclassified, Secret, and Top Secret/SCI networks. Day to day work may include: Responding to service requests from the end-user, other IT professionals, and executive management.Performing routine m

AD/ICAM Systems AdministratorJob Title - AD/ICAM Systems Administrator

Apex SystemsCompany Name - Apex Systems

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Washington, District of Columbia, USA

Full-time

Job#: 2083676 Job Description: Apex Systems is seeking a AD/ICAM Systems Administrator to work onsite in Washington, D.C. Responsibilities: Administer and manage on-premises Active Directory environment, ensuring it is secure, highly available, and properly configured. Oversee Group Policy Objects (GPOs), Trusts, DNS, AD Sites and Services, and other AD components. Perform user provisioning and de-provisioning, ensuring the application of best practices for Active Directory security (e.g., leas

Senior Web Application DeveloperJob Title - Senior Web Application Developer

American Systems CorporationCompany Name - American Systems Corporation

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Arlington, Virginia, USA

Full-time

Overview AMERICAN SYSTEMS is an employee-owned federal government contractor supporting national priority programs through our strategic solutions in the areas of Information Technology, Test & Evaluation, Program Mission Support, Engineering & Analysis, and Training. Responsibilities THIS POSITION INCLUDES A $5,000 SIGN-ON BONUS! As a Senior Web Application Developer with AMERICAN SYSTEMS you will have the opportunity to do the following: Modernize and maintain web apps for scalability and

Systems Administrator (Trillium, Unix, Linux and Tomcat)Job Title - Systems Administrator (Trillium, Unix, Linux and Tomcat)

SAICCompany Name - SAIC

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Ashburn, Virginia, USA

Full-time

Job ID: 2504336 Location: ASHBURN, VA, US Date Posted: 2025-04-07 Category: Software Subcategory: SW Engineer Schedule: Full-time Shift: Day Job Travel: Yes, 10 % of the Time Minimum Clearance Required: None Clearance Level Must Be Able to Obtain: Public Trust Potential for Remote Work: Yes Description Position Summary We are currently seeking a motivated, career and customer-oriented Systems Administrator (Senior) to join our team in Ashburn, VA to begin an exciting and challenging c