Network Specialist Security Clearance

Position: Network Specialist with Security Clearance
Job Description:

We are seeking a technically skilled and hands-on Network Specialist to support the backend configuration, deployment, and troubleshooting of enterprise telephony systems, including Avaya and Microsoft Teams Voice environments. This role focuses on network-layer support of VoIP systems in a Cisco infrastructure and involves configuration of access layer switches, gateways, SBCs, and physical telecom cabling. The ideal candidate has strong networking knowledge, voice infrastructure experience, and is comfortable working in a secure government setting.
Requirements:

• U.S. Citizenship is required

• Must possess an active TS clearance at the time of application, be willing and able to obtain SCI access, and pass a CI polygraph.

• This position is onsite 5/days a week in Washington D.C.
Qualifications and

Experience:

• Bachelor's Degree in Network Engineering, Information Systems, Telecommunications, or a related field

• Minimum 5 years of experience in network engineering or infrastructure support, with hands-on experience in voice networking.

• Proficiency in Cisco switch configuration, including VLANs, PoE, and access port management.

• Experience configuring and supporting Cisco CUBE, Cisco Voice Gateways, and Cisco ATAs.

• Working knowledge of Oracle SBCs and integration with VoIP systems.

• Ability to troubleshoot and resolve VoIP quality issues at Layers 2 and 3.

• Hands-on experience provisioning and supporting Polycom VoIP phones in an enterprise setting.

• Familiarity with MDF/IDF telecom wiring and structured cabling best practices.

• Strong attention to detail and ability to follow strict security and configuration protocols

Preferred Qualifications:

• Certifications such as CCNA, CCNP, or equivalent networking credentials

• Experience in secure or classified federal environments.

• Familiarity with Microsoft Teams Voice and Avaya platforms.

• Experience documenting network configurations using Visio or similar tools.
Responsibilities:

• Switch Configuration:
Configure Cisco access layer switches, including VLANs, Power over Ethernet (PoE), and port settings to support IP telephony deployments.

• Layer 2/3 Troubleshooting:
Identify and resolve Layer 2 and Layer 3 issues impacting voice services, including call quality, network segmentation, and traffic flow.

• Telecom Cabling:
Perform telecom cabling and wiring in MDFs and IDFs to support physical VoIP infrastructure and connectivity.

• Voice Gateway & SBC Configuration:
Configure and troubleshoot Cisco CUBE and Oracle Session Border Controllers (SBCs) for VoIP integration.

• Gateway Support:
Configure and maintain Cisco Voice Gateways (e.g., VG410), supporting analog and digital voice connectivity as part of the unified communications environment.

• ATA Configuration:
Install and troubleshoot Cisco Analog Telephone Adapters (ATAs) to support legacy analog devices within an IP telephony environment.

• VoIP Phone Provisioning:
Provision, deploy, and troubleshoot Polycom VVX 300/400/500 series VoIP phones in coordination with Microsoft Teams or Avaya telephony backends.

• Collaboration & Support:
Work closely with telephony engineers, network teams, and IT support to deliver and maintain reliable voice communication services across the enterprise.

• Documentation:
Maintain accurate documentation of network and telephony configurations, wiring diagrams, and port assignments. Clearance:
Applicants selected will be subject to a security investigation and may need to meet eligibility requirements for access to classified information;
Top Secret clearance is required. Compensation and Benefits
Salary Range: $95,547 - $119,858 (Compensation is determined by various factors, including but not limited to location, work experience, skills, education, certifications, seniority, and business needs. This range may be modified in the future.) Benefits:
Gridiron offers a comprehensive benefits package including medical, dental, vision insurance, HSA, FSA, 401(k), disability & ADD insurance, life and pet insurance to eligible employees. Full-time and part-time employees working at least 30 hours per week on a regular basis are eligible to participate in…