Unified Communications and Collaboration (UCC) / M365 Engineer

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, WebEx
  • Adobe: Adobe Connect
  • CA: SiteMinder (SSO)
  • AMX: Audio-Visual & Control Products
  • SMART Technologies: Interactive Whiteboards
• Provide Software support on:
  • Video streaming solutions
  • Live/VOD/Mobile player adoption and integration
  • Digital Rapids encoding system and Adobe AMS streaming solution
  • Video-rich Flash websites
  • Browser technologies including HTML/DHTML, JavaScript, JSP, Ajax, and web servers
  • Integration 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 & Governance
  • Configure 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 years
• Holding 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:

Pay Range:

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.

About Us

Leidos

Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $17.2 billion for the fiscal year ended January 2, 2026. For more information, visit www.Leidos.com.

Pay and Benefits

Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available here.

Securing Your Data

Leidos will never ask you to provide payment-related information at any part of the employment application process. And Leidos will communicate with you only through emails that are sent from a Leidos.com email address. If you receive an email purporting to be from Leidos that asks for payment-related information or any other personal information, please report the email to spam.leidos@leidos.com.

Commitment and Diversity

All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.