Senior Voice Engineer

GCyber is hiring a Senior Voice Engineer to support a high-profile Air Force network program. The Tier Senior Voice Engineer is responsible for the Cisco VoIP environment, from Call Manager through the SIP connections to external and customer voice networks. This position is full time onsite at Scott AFB, IL. Given the classified nature of the work, there is no opportunity for hybrid or remote work. This position is contingent upon contract award. Responsibilities Configure, develop, patch, STIG, and add features to the Cisco VoIP system, including Cisco Unified Call Manager (CUCM), Cisco Unity, Instant Message and Presence, teleconference bridges, and Ribbon VX900 devices. Develop configurations for Cisco Unified Border Elements, Session Border Controllers, and other SIP devices that connect the network to external voice systems. Develop and troubleshoot SIP connections to customer networks, including Asterisk networks, Call Manager Express, and Survivable Remote Site Telephony (SRST). Support and sustain the VoIP capability in the Systems Integration Lab and at three operational gateway sites. Perform and assist with Tier 3 network engineering work. Keep voice infrastructure current with DISA STIG and cyber tasking order requirements. Minimum Qualifications and Experience Active DoD TOP SECRET clearance Cisco voice certification with a concentration in Cisco Unified Call Manager (CUCM) DoD 8140/8570 IAT Level II certification. BA/BS and a minimum of 5 years of VoIP experience. Additional experience may be considered in lieu of degree. Hands‑on administration of CUCM, Cisco Unity, Instant Message and Presence, and teleconference bridges in a production environment. Experience designing and troubleshooting SIP trunks between organizations. Experience patching and STIGing voice infrastructure to DoD compliance timelines. Routing and switching experience sufficient to support Tier 3 network engineering work. Preferred Skills & Experience CCNP Collaboration. Hands‑on Ribbon VX900 or SBC 1000/2000 series configuration. Experience with airborne or SATCOM voice systems. Asterisk or open‑source PBX experience. Our Benefits GCyber is committed to the well‑being and development of every employee. Our benefits are designed to support your personal and professional goals, from health and wellness programs to retirement savings and career development opportunities. Highlights include: 26 Days of Paid Leave + Annual PTO Increase An extra day of paid leave for every year of employment with GCyber Paid Parental Leave Additional Leave Allowances for Military Duty, Jury Duty, and Bereavement Leave 401(k) Matching 100% Company‑funded Disability Insurance 90% Company‑Funded Health, Dental, and Vision Insurance, with contributions to insurance benefits for spouses, children, and family members Training and Professional Development Plans Commuter Benefits Plan Parking and Transportation Allowance Equal Opportunity Employer GCyber is an Equal Opportunity Employer. This means you don't have to worry about whether your application process will be fair. We consider all applicants without regard to race, color, religion, age, ancestry, ethnicity, gender, gender identity, gender expression, sexual orientation, veteran status, or disability. Stay in Touch For future job notifications please follow GCyber on LinkedIn. #J-18808-Ljbffr GCyber