VoIP Engineer

Responsibilities for this Position

Location: USA VA Falls Church
Full Part/Time: Full time
Job Req: RQ211746


Type of Requisition:
Regular

Clearance Level Must Currently Possess:
Secret

Clearance Level Must Be Able to Obtain:
Secret

Public Trust/Other Required:
None

Job Family:
Network and Telecommunications

Job Qualifications:

Skills:
Cisco Voice over IP, Collaborating, Project Support, System Upgrades, Voice over IP (VoIP)
Certifications:
None
Experience:
7 + years of related experience
US Citizenship Required:
Yes

Job Description:

HOW THE VoIP ENGINEER WILL MAKE AN IMPACT:

We are seeking an experienced VoIP Engineer to design, implement, secure, and support enterprise voice and collaboration systems in geographically dispersed environments. The ideal candidate has deep expertise in large-scale Cisco Unified Communications and delivers secure, reliable voice and video services supporting mission-critical federal and defense operations.

Key Responsibilities

• Engineer and administer Cisco UC platforms including CUCM, Unity Connection, Expressways, Jabber, and related systems across NIPR/SIPR and VoSIP networks.
• Monitor, maintain, and optimize UC systems for performance and availability using RTMT and SolarWinds.
• Perform system upgrades, migrations, and patching for UC infrastructure, including Cisco UCS, VG450 gateways, and VMware environments.
• Implement DISA STIGs, remediate ACAS findings, and maintain DoD cybersecurity compliance.
• Provision and deploy telephony devices, including BAT files, templates, and automation workflows.
• Develop and maintain technical documentation such as system designs, installation guides, and operational procedures.
• Collaborate with network, cybersecurity, and infrastructure teams to resolve complex UC issues.
• Conduct site surveys, produce as-built documentation, and recommend design improvements for scalability and security.
• Provide Tier II/III support, user training, and end-user documentation.
• Support planning and deployment of new UC services and contribute to technology roadmaps.

Required Qualifications

• 7+ years of experience engineering and administering Cisco Unified Communications in enterprise or DoD environments.
• CCNA certification.
• Hands-on experience with CUCM, Unity Connection, Expressways, SIP, QoS, and VG gateways.
• Experience upgrading and migrating Cisco UC systems, including UCS and VMware ESXi.
• Strong knowledge of DISA STIGs, IA controls, and DoD security standards.
• Proven ability to troubleshoot complex UC issues in distributed networks.
• Experience with RTMT and SolarWinds.
• Strong technical documentation skills.
• Superb and effective technical, communication, collaboration, and customer engagement skills; strong ability to multi-task, problem solve, and take initiative; attention to detail and ability to work in a fast-paced environment

Certifications:

• Must Possess the appropriate baseline certification(s) to achieve a minimum of DoD 8570.01-M Information Assurance Technical (IAT) Level II (i.e., CompTIA Security+ CE) prior to start. Will need to obtain an additional computing environment certification (i.e., one of the CSSP sections certifications (i.e., CISCO certs, CEH, CCNA-Security, CND, etc.) within six-months of hire based on position designation.
• When 8140 requirements are implemented on program/contract, employees will need to conform to 8140 certification standards.

Clearance Level Requirements:

• Active SECRET DoD Security Clearance required upon start.

Education:

• Preferred bachelor's degree in information technology, Engineering or relevant field with a minimum of 7+ years of relevant experience

Location:

• Hybrid: onsite required in Falls Church, VA three (3) days per week, with the option to work remotely two (2) days per week. Onboarding/transition in period requires on-site support up to 60 days (must completely in-process with all credentials, accounts, access, and understanding of role and responsibilities before telework allowed). GECOS work schedules are subject to change on direction by mission requirements from GDIT or USG leadership.

Travel:

• Up to 10% possible

#GECOS

#GDITPriority

The likely salary range for this position is $119,000 - $161,000. This is not, however, a guarantee of compensation or salary. Rather, salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range.

Scheduled Weekly Hours:
40

Travel Required:
Less than 10%

Telecommuting Options:
Hybrid

Work Location:
USA VA Falls Church

Additional Work Locations:

Total Rewards at GDIT:
Our benefits package for all US-based employees includes a variety of medical plan options, some with Health Savings Accounts, dental plan options, a vision plan, and a 401(k) plan offering the ability to contribute both pre and post-tax dollars up to the IRS annual limits and receive a company match. To encourage work/life balance, GDIT offers employees full flex work weeks where possible and a variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave. To ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available. We regularly review our Total Rewards package to ensure our offerings are competitive and reflect what our employees have told us they value most.

We are GDIT. A global technology and professional services company that delivers consulting, technology and mission services to every major agency across the U.S. government, defense and intelligence community. Our 30,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across 50 countries worldwide, offering leading capabilities in digital modernization, AI/ML, Cloud, Cyber and application development. Together with our clients, we strive to create a safer, smarter world by harnessing the power of deep expertise and advanced technology.

Join our Talent Community to stay up to date on our career opportunities and events at
gdit.com/tc.

Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans

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GDIT supports and secures some of the most complex government, defense, and intelligence projects across the country.

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