Systems Network Administrator
Job Details
JNR Inc - Irvine, CA
Full Time
4 Year Degree
Information Technology

JNR is seeking a full time, experienced Systems Network Administrator to oversee the company internal and AWS network infrastructure and all related equipment.  The ideal candidate will be able to configure and maintenance the network and install, configure and maintenance end user’s workstation hardware and software. Performs AWS cloud computing, design and maintenance.

In addition to the below responsibilities, this individual will evaluate and implement a new cloud-based phone / IVR system in 2020. This role works autonomously 60% of the time and needs to be proactive to maintain (and improve) our current systems. 

Key Duties and Responsibilities

  • LAN/WAN networking experience, including WiFi Management, Switching and Routing, SonicWALL and CISCO Firewall management
  • Deep understanding of WiFi networks, Gateways
  • Monitor network performance (availability, utilization, throughput, goodput, and latency) and test for weaknesses.
  • Specify system requirements and design solutions
  • Ensure network security and connectivity
  • Troubleshoot Remote Access, VPN (SSL and IPSec), site-to-site VPN’s.
  • Proven ability to design, implement, maintenance Windows servers 2008 and 2012 in a variety of roles like Active Directory and Group Policy, DNS, DHCP, HyperV and DFS Replication.
  • Have strong understanding of VMware, NAS Storage, DB and Microsoft SQL Server.
  • Storage provisioning, management, and backup
  • Linux server installation and maintenance
  • Have experience in phone systems and VoIP
  • Microsoft Office 365 Deployment and exchange server
  • User management including configuring new accounts, password resets, and troubleshooting user login, profile and permission issues


  • Windows Server: 3 years (Preferred)
  • Network Administration: 3 years (Preferred)
  • Microsoft Exchange: 3 years (Required)
  • Minimum of 6 years of experience in Information Technology, or equivalent combination of education and experience.
  • Certifications: Cisco, Microsoft, AWS
  • Deep knowledge in Cloud computing with AWS Networking, VPC and EC2 experience.
  • Familiarity with Payment Cards Industry (PCI) standards a plus
  • Excellent analytical, verbal and written communication skills.
  • Ability to prioritize and quickly troubleshoot and resolve problems using a wide variety of tools.
  • Ability to adapt quickly to new technologies and changing business requirements.
  • Able and willing to collaborate as part of a team in various roles.
  • Respond to emergency situations effectively, maintaining poise and focus.
  • Bachelor's degree in Computer Science, IT or a similar technical field,BA/BS Degree, or other 4-year degree.

Benefits and Perks

  • Medical, Dental, Vision, and Life Insurance plans
  • 401K and financial planning
  • Continuing education opportunities
  • Generous PTO + Sick Hours + Paid Holidays + Get your birthday off!
  • Business casual work environment
  • Gym and game room in building

Physical Demands

The physical and work environment characteristics described here are representative of those that must be met by an employee to successfully perform the essential functions of this job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions. While performing the duties of this job, the employee is occasionally required to walk; sit; use hands to finger, handle, or feel objects, tools, or controls; reach with hands and arms; balance; stoop; talk or hear: sit at a desk, work under florescent lighting, and look at a computer for a long period of time. The employee must occasionally lift and/or move up to 25 pounds. Specific vision abilities required by the job include close vision, distance vision, color vision, peripheral vision, depth perception, and the ability to adjust focus.

Equal Opportunity Employer

JNR is an Equal Opportunity Employer and employment selection decisions are based on merit, qualifications, and abilities. JNR does not discriminate in employment opportunities or practices on the basis of: race, color, religion, gender, national origin, age, sexual orientation, gender identity, ability, veteran status or any other characteristic protected by country, regional or local law.

In accordance with local Fair Chance Ordinance(s), qualified applicants, including those with criminal histories, will be considered for employment.

We participate in E-Verify.