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  • ID
  • Job type
  • Salary
    USD50 - USD62
  • Source
    Randstad Technologies
  • Date
  • Deadline

VOIP Engineer (Cisco)

Illinois, Desplaines, 60018 Desplaines USA

job summary:

As a VOIP Engineer, you will plan, design, build, install, configure, manage, secure, document, and support the systems within Data Center, Distribution Center, and Public and Private Cloud environments. You will be responsible for developing, documenting, and implementing best practices and standards aimed at optimizing the VOIP infrastructure. You will also provide technical expertise focusing on operational excellence and continuous improvement activities for the Global IT Operations through ITIL based IT Service Management processes and procedures in a fast paced environment.

location: ROSEMONT, Illinois

job type: Contract

salary: $50 - 62 per hour

work hours: 9am to 11am

education: Bachelors


- Provide end to end ownership and accountability for the service delivery, maintenance, and support of the global VOIP infrastructure and performance of the managed service provider(s).

- Design, build, manage, optimize, support, and maintain the global enterprise VOIP environment including, but not limited to: CUCM, SIP CUBE.

- Based on industry-best standards, develop and maintain technical standards and system configuration documentation, physical and logical diagrams, knowledge base articles, and runbooks for the proper transition of services to external managed service providers.

- Build, maintain, and audit all related documentation as it relates to policies, standards, processes, procedures, topologies/diagrams, configuration, training, service records, support contacts, disaster recovery, and backup/recovery CUCM, SIP CUBE.

- Develop and execute automation playbooks to drive "Software Defined Networking" through scripting (e.g., Python, PowerShell, etc.) and other automation and orchestration tooling such as Cisco DNA Center and Red Hat Ansible Tower and provide knowledge transfer and training to teammates and other functional areas.

- Responsible for software and hardware upgrades and EOL/EOS refresh as part of life cycle management, including ongoing security patching and vulnerability remediation according to established policies and standards.

- Proactively and reactively identify and remediate network performance issues and act as escalation point to review and resolve technical issues through completion, including root cause analysis and corrective actions.

- Provide Tier 3 technical expertise and support and act as escalation point for the IT Service Center and Managed Service Providers to review and resolve technical issues through completion, including root cause analysis and corrective actions.

- Participate in an on-call rotation to provide operational support as needed, which may include off hours.

- Adhere to and participate in the current and future IT Service Management processes including, but not limited to incident, problem, and change control procedures.

- Other projects or duties as assigned.

Required Skills/Experience:

- Combination of Bachelor's Degree and 1+ years working experience and proficiency with planning, designing, supporting, maintaining, and LAN/WAN/VoIP communications, network hardware such as Cisco routers, Ethernet switches, access points voice gateways, and firewalls.

- Or 3+ years of on-the-job experience in these areas in place of the Bachelor's degree.

- Experience with supporting technologies such as Cisco Voice technologies to include the following Cisco Unified Communications Manager (CUCM), Cisco Unity Connection (CUC), Cisco Unified Contact Center Express (CUCCX), Cisco Unified Communications Manager IM and Presence, and Cisco Unified Border Element (CUBE), Cisco Expressway, Cisco Video System.

- Experience with Voice related protocols (SIP, RTP/SRTP, SDP, MGCP, SCCP etc.) SIP/PSTN Design and Voice Gateway Configuration. Detailed knowledge and understanding of telephony/UC protocols, H323, SIP, T38, TLS and Codecs.

- Knowledge of Layer 2 network concepts including spanning tree, VPC, and VLAN design (example: Cisco Nexus/Catalyst switches).

- Experience with technology such as: Wireless (WiFi) 802.11 a/b/g/n technologies, Network security/VPN/SSL technologies, such as Cisco, Palo Alto, Cisco Nexus platforms.

- Knowledge of network architecture and maintenance, such as log analysis, backup/recovery, high availability, capacity planning, and DR/resiliency.

- Ability to collaborate effectively across teams in a high performing and matrixed team environment.


  • Experience level: Experienced
  • Minimum 4 years of experience
  • Education: Bachelors

  • VOIP
  • Cisco (3 years of experience is preferred)
  • Equal Opportunity Employer: Race, Color, Religion, Sex, Sexual Orientation, Gender Identity, National Origin, Age, Genetic Information, Disability, Protected Veteran Status, or any other legally protected group status.

    At Randstad, we welcome people of all abilities and want to ensure that our hiring and interview process meets the needs of all applicants. If you require a reasonable accommodation to make your application or interview experience a great one, please contact HRsupport@randstadusa.com. Pay offered to a successful candidate will be based on several factors including the candidate's education, work experience, work location, specific job duties, certifications, etc. In addition, Randstad offers a comprehensive benefits package, including health, an incentive and recognition program, and 401K contribution (all benefits are based on eligibility).

    For certain assignments, Covid-19 vaccination and/or testing may be required by Randstad's client or applicable federal mandate, subject to approved medical or religious accommodations. Carefully review the job posting for details on vaccine/testing requirements or ask your Randstad representative for more information.

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