Network Infrastructure Engineer
- Full-Time
- Chicago, IL
- Career Fronts
- Posted 3 years ago – Accepting applications
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)