Network Administrator

Company: CrossRealms International Inc. is a fast-growing Chicago-based IT Managed Services and solutions provider comprised of certified expert consultants, engineers, and business team members. We specialize in designing customized, enterprise-class solutions that are comprehensive, resilient, and scalable. Through our technology expertise and proven track record of transformative results for companies large and small, we aim to build long-term relationships and are committed to meeting and exceeding client needs. Our services and solutions are in use by a wide variety of industries, including legal, manufacturing, healthcare, and more. We are currently seeking a Network Administrator for one of our clients based in Chicago.

Job Type:
Contract-to-hire /Full-time
$30-$35/ hourly rate
M-F 7:30am – 4:00 pm
Remote is not an option
Work authorization:
United States (Required)
Work Location:
Multiple locations

Job Summary:

  • Implement, manage and monitor existing network
  • Define scope, acquire, install, and maintain hardware and software associated with local and wide area networks
  • Make comprehensive recommendations in areas that can be improved and test network procedures on a scheduled basis
  • Support network systems in a 24/7 environment ensuring stability, security and optimal performance
  • Troubleshoot multi-platform / multi-vendor issues, determining scope, problem identification and resolution
  • Directs installation, configuration and maintenance of multi-site network and equipment
  • Monitor and manage remediation of network vulnerabilities and faults
  • Maintain and promote IT corporate security policies including support for VPN and wireless networks.
  • Assist in the development and implementation of network policies and standards
  • Keep abreast of new technologies and suggest their application where appropriate.
  • Prioritize effective use of IT resources and competing needs in an active support environment
  • Meets financial requirements by submitting information for budgets; monitoring expenses
  • Works directly with end users to evaluate and solve technical problems, often over the phone or using remote control software
  • Maintain and service the local VOIP phone system including deployment and replacement of phone hardware and supporting software
  • Act as single point of contact for network service and maintenance calls
  • Provide user training for other IT staff and end users
  • Administers system backups, recovery, and verification at all schools
  • Document all services rendered via a ticketing system, for scheduling, time tracking, and issue tracking
  • Administers network backups, recovery, and verification at sites
  • Demonstrates personal initiative to maintain good communication and follow-up with users
  • Support with helpdesk tasks as needed
  • Other duties as assigned 


Platform Switches, Routers and Firewalls

Wireless Technology – 802.11a/b/g/n/a/ac

Windows Server, 2008R2 and 2012R2
Ability to learn and understand non-network systems used throughout the company and be able to integrate those systems into existing and/or new environments.

Education and Experience
Associates or Bachelor’s Degree in Information Technology; or equivalent
2+ years of experience in network administration

CCNA or equivalent skill set

Network Administration: 1 year (Preferred)


  • Dental insurance
  • Health insurance
  • Health savings account
  • Life insurance
  • Paid time off
  • Professional development assistance
  • Retirement plan
  • Vision insurance
Job Category: Technology
Job Type: Full Time
Job Location: Onsite / Remote

Apply for this position

Allowed Type(s): .pdf, .doc, .docx
Usama Houlia - CEO

Usama Houlila

President and Enterprise Architect
Usama Houlila is an Enterprise Architect with more than 20 years of professional experience providing technology solutions for organizations in industries including legal, public services, healthcare, finance, retail, hospitality, and manufacturing. Usama is well-versed in all phases of project delivery – from initiation to closeout. His ability to see the big picture is a product of his comprehensive knowledge of hardware, software, application, and systems engineering. Usama’s myriad interests include international affairs, nutrition and health, cooking, and music. He has played the flute since childhood and is an avid runner and bicyclist who recently added swimming and triathlons to the mix. He currently manages, designs, and deploys palo alto for legal, healthcare, and financial services.