New

Senior O365 Engineer

Loudoun County Government
$89,449.54 - $156,536.69 Annually
United States, Virginia, Leesburg
1 Harrison Street Southeast (Show on map)
May 22, 2026
Loudoun County Government has been named one of Forbes' 2025 Best Large Employers! We're proud to be recognized nationally for our commitment to employee satisfaction and excellence in public service. At Loudoun County, we bring together talented professionals from all backgrounds to make a meaningful impact in a dynamic, growing community - that's The Loudoun Difference. Welcome and thank you for your interest in employment with Loudoun County Government! ALL SECTIONS OF THE APPLICATION MUST BE COMPLETED IN ITS ENTIRETY. THE RESUME IS CONSIDERED SUPPLEMENTAL INFORMATION ONLY. APPLICATIONS THAT ARE INCOMPLETE OR INDICATE 'SEE RESUME' WILL NOT BE TAKEN INTO CONSIDERATION. _________________________________________________________________________________________ Introduction Join One of the Fastest Growing Counties in the Nation! Loudoun County, located just 35 miles west of Washington, D.C., is renowned for its exceptional quality of life, vibrant economy, and rich historical charm. With a unique blend of cultural, recreational, and educational opportunities, Loudoun offers an ideal environment to live, work, and grow. Recognized by Forbes as one of America's Best Large Employers, Loudoun County Government is committed to creating a workplace where employees thrive. Loudoun is recognized for its outstanding commitment to fostering environments where employees can thrive based on various factors, which include atmosphere, salary, diversity, working conditions and workplace environment. Job Summary The Department of Information Technology is currently seeking a highly skilled Senior O365 Engineer in the Infrastructure Division to join our team. This position will manage the County's O365 environment, providing the highest level of customer service, especially with advanced user administration providing Tier 3 support. We are looking for an individual who has experience with cloud deployments and has excellent customer service. Job Responsibilities or Illustrative Job Tasks: Provide O365 administration, Exchange administration, Quest Archive Manager administration, AD administration and mail flow troubleshooting. Provide Tier 3 messaging support, FOIA and legal searches using MS Purview, general user administration for email and Teams. Coordinate assistance and guidance to customers in the timeframe and manner defined by the supervisor or mutually agreed to with the customer. Satisfy customer requirements and identify solutions to customer related issues. Provide Technical support to Network Engineers, Systems Engineers and other staff as needed. Provide technical training as requested by management. Monitor systems and responds to issues proactively. Provide after-hours support as required. We are seeking an individual with: Advanced knowledge of O365, Outlook/Exchange configuration and administration, e-discovery, MS Teams policies, MS license administration, and Quest Archive Manager General knowledge of installation, configuration, and troubleshooting systems to include Active Directory, Domain Controllers, component services, such as but not limited to; file/print, DNS, DHCP, FTP, and IIS, Internet communication protocols, Windows/Linux/VMware infrastructure, server administration and software tools Ability to communicate ideas and plans clearly both orally and in writing to technical and non-technical staff Strong interpersonal skills, ability to work with senior leadership and a collaborator that assists with solving business problems Minimum Qualifications Bachelor's degree with coursework in Computer Science or related field; four (4) years of related technical work experience preferably in a government setting; or equivalent combination of education and experience. Preferred Qualifications: Preference is given to those with certifications including: O365, Windows Server, AWS, and/or Azure certifications. Job Contingencies and Special Requirements The successful candidate will undergo a CJIS/Fingerprint background check. _________________________________________________________________________________________ Equal Employment Opportunity Loudoun County Government prides itself on fostering a diverse and inclusive workplace that promotes employee wellness and work-life balance. As an equal opportunity employer, we consider all qualified applicants regardless of age, color, disability, gender identity, genetic information, national origin, political affiliation, race, religion, sex, sexual orientation or other non-merit factors. Reasonable Accommodation Applicants who wish to request a reasonable accommodation during the recruitment process should call Human Resources directly at 703-777-0213 or email Human Resources.