Voice Network Engineer

The AEGIS Sector at Leidos is seeking a highly skilled Voice Network Engineer to support NASA's enterprise communications environment. This position plays a critical role in the architecture, design, integration, testing, and deployment of voice and collaboration technologies across the agency. The successful candidate will help drive the strategic evolution of NASA's voice services while ensuring reliability, security, and operational excellence throughout the enterprise. This position is located at Goddard Space Flight Center.PRIMARY RESPONSIBILITIES:Collaborate with Network Architects to develop and advance NASA's enterprise voice and collaboration architecture.Partner with AEGIS engineering teams across NASA centers to modernize voice network services in accordance with established standards and best practices.Evaluate, test, and validate approved voice and collaboration technologies for deployment within the NICS contract environment.Administer and support NASA's enterprise SIP infrastructure, including:Session Manager Edition (SME)Cisco Unified Communications Manager (CUCM)Cisco Unity Connection (CUC)Cisco Unified Presence Server (CUPS)Cisco Unified Border Element (CUBE)Analog voice gatewaysMS Teams TelephonyDesign and implement integration strategies for emerging technologies that enhance user experience and operational efficiency.Conduct comprehensive lab testing and validation of system upgrades, software releases, and architectural changes prior to production deployment.Develop detailed Release and Deployment Packages (RDPs) and implementation documentation for engineering and operations teams.Partner with cybersecurity personnel to maintain system security documentation and develop remediation strategies for identified vulnerabilities.Provide advanced Tier 3 engineering support to voice services teams throughout the NASA enterprise.Develop transition and migration plans supporting the adoption of next-generation communication technologies.BASIC QUALIFICATIONS:Bachelors degree and 12 years of experience in network engineering. Excellent written and verbal communication skills with the ability to present technical information to both technical and non-technical audiences.Extensive experience supporting Cisco Unified Communications environments.Strong understanding of:Session Initiation Protocol (SIP)Voice over IP (VoIP) technologiesEnterprise voice network designVMware virtualization platformsTelecommunications standards and protocolsMS Teams TelephonyProven ability to work independently in a dynamic, fast-paced environment.Experience developing technical documentation, engineering standards, and operational procedures.Demonstrated ability to manage multiple projects while meeting customer requirements and project deadlines.CLEARANCE REQUIREMENTS:U.S. Citizenship is required.Ability to obtain and maintain a Public Trust.PREFERRED QUALIFICATIONS:Cisco certifications such as CCNA, CCNP CollaborationExperience deploying and supporting Microsoft Teams Telephony solutions.PowerShell scripting and automation experience.Advanced knowledge of Cisco Collaboration platforms, applications, and hardware.Experience supporting large-scale enterprise voice networks in a complex, multi-site environment.Familiarity with government, aerospace, or large enterprise communications infrastructures.What You'll BringThe ideal candidate is a proactive, technically driven engineer with a passion for modern collaboration technologies and the ability to bridge strategic architecture with hands-on engineering expertise. This individual will deliver secure, scalable, and reliable voice communication solutions that support NASA's mission-critical operations.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:November 9, 2026For 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 - $166,850.00The 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.SummaryLocation: Greenbelt, MDType: Full time