Cisco Unified Collaboration Engineer (Voice Engineer)

Description

Leidos is in search of a Cisco Unified Collaboration Engineer (Voice Engineer) to join our team at MacDill AFB, FL. The Cisco Unified Collaboration Engineer provides full-spectrum support for voice, video, and unified communications solutions within a secure, mission-critical Department of Defense (DoD) environment. This position is responsible for designing, implementing, configuring, and maintaining Cisco Unified Communications Manager (CUCM) clusters, Cisco Meeting Server (CMS), Unity Connection, Expressway, and related collaboration technologies. The engineer will support operational continuity for the warfighter by ensuring secure, resilient, and interoperable communications across garrison and tactical networks.

Primary Responsibilities:

• Design, deploy, and manage Cisco Unified Communications (UC) infrastructure including CUCM, Unity Connection, Cisco IM & Presence, CMS, and Expressway C/E.
• Configure and maintain SIP trunks, H.323 gateways, SRST, CUBE, and MGCP configurations for integration with DISA or tactical voice networks.
• Manage dial plans, route patterns, translation rules, calling search spaces, and device pools across secure and non-secure enclaves.
• Administer and troubleshoot collaboration endpoints, Jabber clients, TFTP services, and user provisioning via LDAP integration.
• Conduct patching, upgrades, and STIG compliance for all collaboration platforms in accordance with DoD cybersecurity standards.
• Support VTC operations including scheduling, endpoint support, and bridging through CMS or hardware MCUs.
• Integrate collaboration services with Active Directory, PKI/certificate authorities, and DNS for secure authentication and service delivery.
• Provide Tier III escalation support and mentor junior team members on UC technologies.
• Participate in exercises and mission planning efforts to align collaboration capabilities with MARCENT operational requirements.

Basic Qualifications:

• Bachelor's degree with 2+ years of experience or an Associate's degree with 4+ years of experience. Additional experience, trainings, or certifications may be considered in lieu of a degree.
• Active DoD Secret Clearance and the ability to obtain TS/SCI after hire.
• Cyber Work Force Role Code 451 (e.g., Security+ CE) or the ability to obtain within 60 days after start.
• Cisco Certified Network Associate (CCNA) or the ability to obtain within 60 days after start.
• 2+ years of hands-on experience with Cisco Unified Communications systems in a DoD, government, or enterprise environment.
• Experience with DoD UC compliance efforts including STIG implementation, ACAS scans, and RMF documentation.
• Proficiency in Cisco IOS, VoIP call flow troubleshooting, and SIP/H.323 protocol analysis.

Preferred Qualifications:

• Active TS/SCI
• Familiarity with Cisco networking technologies and configuration.
• Cisco Certified Network Professional (CCNP) Collaboration.
• In-depth knowledge and experience deploying multiple Virtualization technologies, including Microsoft's Hyper-V, Microsoft Virtual Server, VMWare ESX, and VMWare Server.
• Familiarity with firewalls and their services and security.

AMSOPP1

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: March 8, 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 $59,150.00 - $106,925.00

The Leidos pay range for this job level is a general guideline onlyand 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 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 $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit

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 at

Securing Your Data

Beware of fake employment opportunities using Leidos' name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system - never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at View email address on click.appcast.io.

If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission.

Commitment to Non-Discrimination

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.

Required

Preferred

Job Industries

• Other