**Engineering**

**VOIP Engineer II** Pittsburgh, Pe Posted: 9/15/2026

Job Description

Job ID#:

225506

Job Category:

Engineering

Position Type:

Associate - W2

Shift:

1

**PDS Defense, Inc. is seeking a VOIP Engineer II, in Pittsburgh, PA. Job ID#225506**

**Job Description:**

The VoIP Engineer is responsible for daily server administration activities within Aerospace's Voice-Over-IP platform. The successful candidate will be an experienced leader and technician in the space, and will have deep expertise in Cisco's voice offerings. The VOIP Engineer will use their experience and expertise to work across teams to guide resolution of complex issues and provide subject matter input to designs.

This role will work closely with the network team in daily operations and is responsible for level 3 incident and problem response, ensuring that SLAs are met, change management, patching, vulnerability management and day-to-day support of our Cisco technologies

Responsibilities of the role include, but are not limited to:

- Serve as lead for assigned voice network development and software implementation projects; evaluate and assess client needs; identify and recommend allocation of resources including staff, equipment and materials; set task priorities.

- Troubleshooting & Optimization: Execute L2/L3 support and perform root cause analysis for voice issues, addressing packet loss, jitter, and latency.

- Work with network engineers to configure Cisco integrated service routers and multi layered switches to support voice operations.

- Migration of on-prem VOIP environment to CISCO Webex calling.

- System Deployment: Design and configure Cisco Unified Communications Manager (CUCM), Cisco Emergency Responder (CER), Cisco Unity Connection (CUC), and Session Border Controllers (CUBE / SBC).

- Call Routing & Dial Plans: Manage route patterns, translation rules, and calling search spaces to ensure reliable internal and external PSTN connectivity.

- Create and maintain detailed documentation for voice solutions and deployments. This includes developing voice dial plans and documenting configurations and procedures.

- Review, develop, and ensure compliance to standards for the voice network infrastructure system access, modification enhancement and replacement of system hardware and software.

- Vendor Management: Coordinate with telecommunication carriers and third-party vendors for number porting and incident resolution.

- Upgrades & Compliance: Oversee software patching, system backups, and firmware upgrades on Cisco voice gateways, phones, and servers.

- Provide out of hours support, when required.

Technical Qualifications

- Core Technologies: CUCM, CER, CUC, UCCX (Cisco Unified Contact Center Express), and Expressway.

- CISCO Webex Calling

- Protocols: SIP (Session Initiation Protocol), H.323, MGCP, and RTP.

- Networking: Strong understanding of IP routing, switching, and QoS (Quality of Service).

Basic Qualifications:

- Strong analytical, root-cause-analysis, and incident-resolution capabilities.

- Capability to manage after-hours maintenance windows and support issues.

- Clear communication and documentation skills for drafting technical network diagrams and Standard Operating Procedures (SOPs).

Preferred Qualifications:

- 5-7 years' experience

- Certifications: Professional-level credentials, such as the Cisco Certified Network Professional (CCNP) Collaboration

- Familiarity with ServiceNow ITSM solution and CMDB.

- Working knowledge of ITIL.

- Large project management experience and demonstrated understanding of project management processes, methodologies, and techniques.

- Knowledge of enterprise data center and infrastructure environments.

- Strong human relation skills and ability to interact with vendors (i.e. hosting providers), offshore resources, and other IT professionals in a global environment.

- Experience with IT governance and change management.

- Ability to drive to consensus as well as to absorb and present complex ideas in a succinct and accurate manner.

- Self-motivated, problem solving oriented with keen attention to detail and excellent judgment skills.

Benefits offered to vary by the contract. Depending on your temporary assignment, benefits may include direct deposit, free career counseling services, 401(k), select paid holidays, short-term disability insurance, skills training, employee referral bonus, affordable medical coverage plan, and DailyPay (in some locations). For a full description of benefits available to you, be sure to talk with your recruiter.

Job Requirements

Minimum Security Clearance:

No Clearance

Military connected talent encouraged to apply.

**VEVRAA Federal Contractor / Request Priority Protected Veteran Referrals / Equal Opportunity Employer / Veterans / Disabled**

To read our Candidate Privacy Information Statement, which explains how we will use your information, please visit http://www.tadpgs.com/candidate-privacy/ or https://pdsdefense.com/candidate-privacy/

The Company will consider qualified applicants with arrest and conviction records in accordance with federal, state, and local laws and/or security clearance requirements, including, as applicable:

+ The California Fair Chance Act

+ Los Angeles City Fair Chance Ordinance

+ Los Angeles County Fair Chance Ordinance for Employers

+ San Francisco Fair Chance Ordinance

VEVRAA Federal Contractor / Request Priority Protected Veteran Referrals / Equal Opportunity Employer / Veterans / Disabled