Network Infrastructure Engineer

  • Full-Time
  • Chicago, IL
  • Career Fronts
  • Posted 3 years ago – Accepting applications
Job Description

We are looking for an IT Infrastructure Engineer to join our team full-time. You will function as one of our technical experts working on pieces of the architecture of IT infrastructure, in collaboration with other Engineers. You will participate in a variety of analytics and technical assignments ranging from administration and maintenance for internal and external clients. Diagnosis to solutions documentation to implementations.

Responsible for daily administration and operations of Enterprise Infrastructure, network devices, servers and applications that run the back-office and customer-facing infrastructure at all datacenter and AWS cloud hosted environments. Work closely with Infrastructure team members, project managers, vendors, leadership, system owners, and operations/support staff

PRIMARY RESPONSIBILITIES:

Administer day-to-day operations of IT infrastructure including network, servers, virtualization, monitoring, and voice/high speed internet environments

Provide Tier 4 support for infrastructure related issues that cannot be resolved by Tier 1-3 call center personnel related to our core customer facing network solutions that include our cloud hosted SIP based PBX for hotels, high speed internet Wi-Fi services for hotels, and our outsourced hotel call reservation call centers

Collaborate with the Avaya support team on any networking, SIP PBX issues, or other infrastructure issues impacting our outsourced call center teams

Participate in on-call duties and/or after-hours operational support or maintenance activities

Follow escalation procedures and ensure service levels are maintained

Perform technical research, conduct diagnostics to investigate and resolve problems

Install/support hardware, software, or peripheral equipment

Troubleshoot and otherwise provide operational support for SIP based VoIP infrastructure, including but not limited to session border controllers (SBC), enterprise communications broker (ECB), SIP/Asterisk based PBX services, and Radius authentication environments

Operational knowledge of managing virtual machines/appliances in VMWare, AWS and other platforms

Collaborate with the Zabbix/OpsGenie team to ensure all infrastructure items are being appropriately monitored and have correct alerting and escalation in place for problems or degradation of service

Perform peer review and implement configuration changes with appropriate change controls for on-premise, co-located and cloud infrastructure components

Manage the establishment, documentation and maintenance of VPN connections between a local data center and AWS (hybrid environment), or between our environments and customer or vendor sites/locations

Participate in the support and configuration of security infrastructure (firewalls, SIEM, AWS Console, etc.) for AWS and datacenter infrastructure

Participate in the review of infrastructure architecture and provide input to Infrastructure team for iterative improvement

Research, quote and recommend equipment or software for continuous improvement

Create clear, technical "as-built" documentation artifacts of environments

Ensure firmware, hardware, and operating systems are patched and upgraded with regular cadence, appropriate regression testing, and the right level of change control and pre-planning for rollback in case of failure

Utilize change management system to keep detailed transactional records of changes, action taken, and installation activities

Outline and implement improved process or operational policies

Working with other team members as necessary, maintain accurate and current list of deployed hardware and software infrastructure assets in the organization

Work collaboratively with other domains as necessary to resolve outstanding issues and upskill support and operations teams. Develop and present these training materials

Understand the interaction of internally developed applications, the company infrastructure and our customers/customer guests

REQUIRED EDUCATION AND EXPERIENCE:

Automation tools or scripting experience such as PowerShell, Python and Ansible

Experience supporting:

VMWare, Linux, Juniper/Cisco, Microsoft Windows Server 2008+, Active Directory, ADTRAN or similar platforms

Knowledge of SIP trunking for VoIP

SIP will includie management of SIP based IP PBX environments

Experience in Asterisk PBX and Radius authentication technologies is a plus

Knowledge of networking hardware and maintenance procedures, routing and switching protocols and standards

Excellent written and verbal communication skills.

Problem solving skills and proven diagnostic experience.

Ability to manage multiple tasks/priorities in a fast-paced environment.

QUALIFICATIONS:

Bachelor's Degree in computer science or a related field from an accredited college

Must have PBX & SIP expertise.

Physical Demands:

Ability to continuously stand or walk, bend, squat, climb stairs and lift occasionally.

Ability to lift up to 60 pounds occasionally in the course of installing/removing equipment

Occasionally travel to data centers, etc.

Job Type: Full-time

Pay: $81,519.00 - $125,000.00 per year

Schedule:

  • 8 hour shift

Experience:

  • Must have PBX & SIP expertise: 5 years (Preferred)

Education:

  • Bachelor's (Preferred)
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