Exchange Administrator Jobs in District of Columbia

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Microsoft 365/Exchange Administrator

Electronic Consulting Services, Inc (ECS Federal)

Washington, District of Columbia, USA

Full-time

Job Description ECS is seeking a Microsoft M365/Exchange Systems Administrator to work in our Washington DC office. ECS is searching for an experienced Microsoft M365/Exchange Systems Administrator, with excellent communication skills, to deliver innovative capabilities within a large Enterprise. The candidate will be able to identify solutions to automate business process workflow, assist the customer with requirements analysis, and deploy and support solutions scalable for a Large Enterprise.

Exchange Administrator / Exchange Engineer or Messaging

Indotronix International Corp

Remote

Contract

Exchange Administrator / Exchange Engineer or Messaging Location: REMOTE. Note: Must be authorized and willing to work on W2. Can't do C2C or Corp to Corp or 1099. Prior administration experience with Microsoft Exchange Server (2013/2016/2019/Exchange Online), SMTP/E-Mail gateway products (Proofpoint preferred) and with Microsoft 365 technology Automation background using Windows PowerShell. Need Server-side Exchange experience. Need Exchange "On PREM and 365. Understanding of migration with Exc

Microsoft System Engineer

Accenture LLP

Fort Belvoir, Virginia, USA

Full-time

At Accenture Federal Services, nothing matters more than helping the US federal government make the nation stronger and safer and life better for people. Our 13,000+ people are united in a shared purpose to pursue the limitless potential of technology and ingenuity for clients across defense, national security, public safety, civilian, and military health organizations. Join Accenture Federal Services, a technology company and part of global Accenture, to do work that matters in a collaborative

Microsoft Teams Customer Engineer- Teams Apps Development

JDA TSG

Remote

Full-time

At JDA TSG, we equip Global Iconic brands with top-tier specialized talent, business process expertise and innovations which drive their organizations in exciting new directions. We have established a reputation for bringing exceptional focus, flexibility, and confidence with every client we serve. We have an opportunity for a Microsoft Teams expert to join our team working as a Customer Engineers (CE s). A CE s time is dedicated to working with some of the largest, and most sophisticated compa

Principal Systems Administrator

ManTech

Arlington, Virginia, USA

Full-time

ManTech seeks a motivated, career and customer-oriented Principal Systems Administrator to join our team in Pentagon, VA. The position is onsite. Responsibilities include but are not limited to: Provide specialized support and troubleshooting for VIP users, including hardware, software, network, and application issuesManage and maintain computer systems, servers, and other IT infrastructure, ensuring optimal performance and securityManage VIP user accounts, permissions, and security access withi

Microsoft 365 Administrator (Onsite)

Serigor

Columbia, Maryland, USA

Full-time

Job Title: Microsoft 365 Administrator Location: Columbia, MD (Onsite) Duration: Full Time Company Overview:() Headquartered in Columbia, Maryland, Serigor Inc is a trusted leader in the IT Consulting and Outsourcing space. As a CMMI Level 3-certified organization, we specialize in delivering cutting-edge IT solutions to Fortune 500 companies and State and Local Government agencies throughout the United States. At Serigor, we are committed to maximizing the value of IT investments by leveraging

Senior O365 Engineer

SAIC

Washington, District of Columbia, USA

Full-time

Job ID: 2506825 Location: WASHINGTON, DC, US Date Posted: 2025-06-18 Category: Information Technology Subcategory: Sys Administrator 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 motivated, experienced Senior O365 Engineer with experiences in Microsoft Cloud Technologies to support Pension Benefit Guaranty Corporation (PBGC) in Washington,

Jira Administrator, Systems Administrator

Alpha Omega Integration LLC

Silver Spring, Maryland, USA

Full-time

Job Title: Jira Administrator Clearance Required: Public Trust Work Location: Silver Spring, MD (Remote) Alpha Omega is seeking a qualified Jira Administrator to support the NESDIS Integrated Information Services-II (NIIS-II) contract who will be responsible for the support for our NOAA client in Silver Spring, MD. The Atlassian Jira Administrator will manage Jira Software (Data Center), Jira Service Management (Data Center) and Confluence (Data Center). Day-to-day responsibilities will includ

Microsoft Exchange Engineer

Harmonia Holdings Group, LLC.

Washington, District of Columbia, USA

Full-time

Harmonia Holdings Group, LLC is an award-winning, rapidly growing federal government contractor committed to providing innovative, high-performing solutions to our government clients and focused on fostering a workplace that encourages growth, initiative, creativity, and employee satisfaction. Job Title: Microsoft Exchange Engineer Location: Washington, DC (Onsite) Clearance Requirement: Active TS/SCI Clearance Required We are seeking a highly skilled Microsoft Exchange Engineer to support our D

ORACLE DBA

Yakshna Solutions, Inc.

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

Network Engineer, Systems Administrator

Alpha Omega Integration LLC

Lorton, Virginia, USA

Full-time

Job Title: Network Engineer Clearance Required: DHS Public Trust Work Location: Onsite; Onsite 5 days a week in Lorton, VA office Alpha Omega is seeking a qualified Network Engineer to maintain and troubleshoot the Windows and Meraki infrastructure of the organization. The Network Engineer will be responsible for the administration and management of Windows servers, including but not limited to Windows Services (WSUS and Active Directory) as well as Cisco/Meraki cloud and on-premises devices, i

Systems Engineer

Navigant Consulting

Washington, District of Columbia, USA

Full-time

Job Family: Systems Engineering Consulting Travel Required: None Clearance Required: Active Top Secret (TS) What You Will Do: Guidehouse is recruiting System Engineers to outwit complexity and be a part of our fast-growing litigation and investigation support practice. Every organization today faces complexity across multiple levels on a frequent basis. And navigating these challenges and opportunities demands more than the one-dimensional maps, tools, or solutions of the past. You need a gu

Microsoft SharePoint Administrator & Developer with Power BI Expertise

Realm One

Annapolis, Maryland, USA

Full-time

ORANGE you glad that you chose RealmOne? RealmOne was built on the principle that people matter first and foremost. We believe in providing a strong work/life balance by investing in our employees and encouraging professional and personal growth. We do this by offering exceptional benefits, flexible schedules, and the tools necessary to achieve success through paid training, mentoring, and the opportunity to work alongside top-notch security professionals. Join us on this journey as we execute t

RQ193058 SharePoint Software Developer (TS/SCI with Poly/NEW HIRE SIGN-ON BONUS UP TO $30,000)

General Dynamics

Annapolis, Maryland, USA

Full-time

Type of Requisition: Pipeline Clearance Level Must Currently Possess: Top Secret SCI + Polygraph Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Software Development Job Qualifications: Skills: Microsoft SharePoint, SharePoint Architecture, Software Systems Certifications: None Experience: 1 + years of related experience ship Required: Yes Job Description: PERKS: This position is eligible for a sign-on bonus up to $30,000 f

Azure Cloud Engineer

ITCON Services

Vienna, Virginia, USA

Full-time

ITCON Services is looking for a bright, motivated Azure Cloud Engineer to join our team. The individual will be responsible for supporting the ITCON Offices IT infrastructure which is based both in our data center as well as in the Microsoft 365 and Azure Cloud. We need an experienced and technically skilled Systems Administrator/Cloud engineer who understands the fundamentals of how CISCO Meraki and Ubiquiti routers, hubs and switches operate. Fundamental understanding of installation, configu

System Administrator Level IV

General Dynamics Information Technology

Maryland, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret SCI + Polygraph Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Systems Administration Job Qualifications: Skills: Computer Servers, Linux, Microsoft Windows, Troubleshooting Certifications: None Experience: 9 + years of related experience ship Required: Yes Job Description: System Administrator Level IV Transform technology into opportunity a

Security Administrator

PTR Global

Remote

Full-time

Position: Security Administrator Location: Remote, Missouri Duration: Contract Job ID: 168633 Job Overview: As a Security Administrator, you will evaluate and assess user profiles and system administration for all platforms and applications, identifying and recommending solutions in support of established policies and procedures. You will enforce security policies, monitor daily audit reports, and provide technical support to troubleshoot and resolve security issues. This role involves high-

System Administrator Level IV

General Dynamics Information Technology

Maryland, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret SCI + Polygraph Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Systems Administration Job Qualifications: Skills: Computer Servers, Linux, Microsoft Windows, Troubleshooting Certifications: None Experience: 9 + years of related experience ship Required: Yes Job Description: System Administrator Level IV Transform technology into opportunity as

System Administrator Level IV

General Dynamics

Annapolis, Maryland, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret SCI + Polygraph Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Systems Administration Job Qualifications: Skills: Computer Servers, Linux, Microsoft Windows, Troubleshooting Certifications: None Experience: 9 + years of related experience ship Required: Yes Job Description: System Administrator Level IV Transform technology into opportunity as

Sr Principal Systems Engineer - Exchange Messaging - Active Top Secret Required

General Dynamics Information Technology

Washington, District of Columbia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret Clearance Level Must Be Able to Obtain: Top Secret/SCI Public Trust/Other Required: None Job Family: Systems Engineering Job Qualifications: Skills: Complex Systems, Microsoft Windows Server, Systems Engineering, Systems Management, Troubleshooting Certifications: CompTIA - Security+ - CompTIA Experience: 17 + years of related experience ship Required: Yes Job Description: Senior Principal Systems Engineer -