Unified Communications and Collaboration (UCC) / M365 Engineer

Employer description

Leidos’ Civilian Health Solutions Operation is seeking a dynamic, mission-centric hands-on seasoned Unified Communications and Collaboration (UCC) / M365 Engineer with a focus on Microsoft Teams.  This position would support a federal agency’s large, mission-critical enterprise. The ideal candidate will leverage extensive knowledge in UCC platforms, Microsoft Teams, to facilitate seamless communication and collaboration supporting users internal and external to customers’ network. The UCC Engineer will support the UCC infrastructure, ensuring seamless communication and collaboration through voice, video streaming, conferencing, messaging, and other advanced UCC technologies. This role demands a mix of technical expertise, user training, system integration and work with third-party vendors to ensure uninterrupted, top-tier communication services.  The candidate must possess strong communications skills and the demonstrated ability to convey technical concepts to non-technical audiences.

Primary Responsibilities

Engineer, design, and provide operational support for the UCC infrastructure.Ensure critical infrastructure protection, vulnerability remediation, and information assurance.Manage and maintain UCC systems, performing routine patch management and security updates.Document technical architecture, configurations, alert thresholds, and operational parameters.Oversee software and hardware installation, configuration, support, maintenance, and troubleshooting.Implement and maintain monitoring, logging, and alerting for UCC infrastructure using agencies’ standard tools.Collaborate with fellow team members, networking, and infrastructure teams to support an environment comprising of the tools listed below, but not limited to:Microsoft: Skype for Business Server 2015 (System)Microsoft Skype for Business Client 2016 (Endpoint)Microsoft Unified Messaging 2010, 2013 & O365 (System)Polycom: VVX600 (Endpoint)Cisco: Telepresence Video Communication Server (VCS) Control, WebExAdobe: Adobe ConnectCA: SiteMinder (SSO)AMX: Audio-Visual & Control ProductsSMART Technologies: Interactive WhiteboardsProvide Software support on:Video streaming solutionsLive/VOD/Mobile player adoption and integrationDigital Rapids encoding system and Adobe AMS streaming solutionVideo-rich Flash websitesBrowser technologies including HTML/DHTML, JavaScript, JSP, Ajax, and web serversIntegration and tuning of third-party components (e.g., codec, streaming, monitoring, and hosting video files)AMX programming in high-level programming languages, such as C, C++, or Java 

Microsoft 365 Platform Operations & Administration

Microsoft Teams Architecture & GovernanceConfigure and enforce tenant-wide Teams meeting policies, voice routing policies, messaging policies, live events/town halls, and app permission policies.Oversee Teams lifecycle management, federation/external access boundaries, and integration endpoints.Troubleshoot call quality metrics, media stream performance, and meeting connectivity issues using Teams Admin Center and Call Quality Dashboard (CQD).Administer OneDrive for Business synchronization policies, personal site quota allocations, retention holds, and cross-site sharing links.Resolve complex synchronization conflicts, granular permission access issues, and document library threshold limits.
Please be advised that if you are moved to the interview stage, during the interview you will be required to keep your camera on, and your interviewer will be taking your picture for identification purposes if an offer letter is extended to you

Candidate citizenship, clearance requirements:

Be a US Citizen or US Person who has lived in the United States for the past three (3) consecutive yearsHolding a current Public Trust is preferred
Required Qualifications:

Bachelor’s degree in Computer Science, IT, Telecommunications, or a related field. Additional years of experience may be substituted in lieu of degree.Minimum of 8 years of experience in Unified Communications, with at least 3 years focused on Microsoft Teams.Strong understanding of VoIP, video conferencing, and collaboration tools.Familiarity with integrating Microsoft Teams in hybrid environments.ITIL Foundations certification (or the ability to obtain it within 3 months after starting)Must be able to obtain and maintain a public trust clearance.Preferred Qualifications:

Microsoft 365 Certified: Teams Administrator Associate or equivalent certification.Experience with other UCC platforms like Cisco Webex, Zoom, Slack and Zabber. 

If you’re looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We’re not hiring followers. We’re recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We’re already at step 30 — and moving faster than anyone else dares.

Original Posting:October 30, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:Pay Range $92,300.00 - $166,850.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.