Senior Voice Engineer

GCyber; Scott Air Force Base (IL); On-site; USD 110,000 - 150,000; Full time

Benefits offered by this job

Paid Leave

Parental Leave

401(k) Matching

Disability Insurance

Health Insurance

Development Plans

Parking Allowance

Commuter Benefits

Job summary

GCyber is seeking a Senior Voice Engineer to support a high-profile Air Force network program at Scott AFB, IL. The role covers the Cisco VoIP environment from Call Manager through external SIP connections, with full-time onsite requirements.

The ideal candidate holds an active DoD TOP SECRET clearance, a CUCM-focused Cisco voice certification, and 5+ years of VoIP experience, ready to design, implement, and troubleshoot SIP trunks and voice infrastructure in a DoD environment.

Qualifications

• Active DoD TOP SECRET clearance required.
• Cisco voice certification focusing on CUCM.
• DoD 8140/8570 IAT Level II certification.
• BA/BS plus 5+ years VoIP production experience.
• Hands-on administration of CUCM, Unity, IM&P, and teleconferencing.
• Experience designing/troubleshooting SIP trunks between organizations.
• Patching STIGs to DoD timelines; routing and switching for Tier 3.

Responsibilities

• Configure, patch, STIG, and add features to Cisco VoIP system (CUCM, Unity, IM&P, bridges, Ribbon devices).
• Develop configurations for SBCs, Session Border Controllers, and SIP devices connecting to external voice networks.
• Develop and troubleshoot SIP connections to customer networks including Asterisk and SRST.
• Support VoIP capability in the lab and at three gateway sites.
• Perform and assist with Tier 3 network engineering work.
• Keep voice infrastructure current with DISA STIG and cyber tasking orders.

Skills

Active DoD TOP SECRET clearance

CUCM/Cisco voice certification

DoD 8140/8570 IAT Level II

5+ years VoIP experience

CUCM/Cisco Unity administration

SIP trunk design & troubleshooting

DoD STIG patching/compliance

Tier 3 routing and switching

Education

BA/BS in related field

Tools

CUCM

Cisco Unity

IM&P

Teleconference bridges

Ribbon VX900

SBC 1000/2000

Asterisk

Job description

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. https://linkedin.com/company/gcyber