Network & Systems Engineer
CornerStone Technology Talent Services
Software Engineering
Irving, TX, USA
Posted on Jun 19, 2025
Job Title: Jr. Network & Systems Engineer
Location: Oklahoma City, OK (Onsite)
Employment Type: Full-time, Direct Hire
Industry: Industrial / Manufacturing / Engineering
Work Authorization: Must be eligible to work in the U.S. Without sponsorship
Travel: Occasional travel required to offices in TX, OK, and DC
On-Call: Yes, as part of a 24x7 support rotation
Position Summary
We're hiring a Jr. Network & Systems Engineer to join a mission-critical infrastructure team supporting a large-scale, multi-site organization. This role will assist in delivering and maintaining reliable network and systems infrastructure on-prem and cloud-based that enable 24x7 operations across the U.S. This is an excellent opportunity for an early-career infrastructure professional ready to deepen their technical skills while contributing to projects involving server and network implementations, security systems, and virtualization.
Key Responsibilities
Location: Oklahoma City, OK (Onsite)
Employment Type: Full-time, Direct Hire
Industry: Industrial / Manufacturing / Engineering
Work Authorization: Must be eligible to work in the U.S. Without sponsorship
Travel: Occasional travel required to offices in TX, OK, and DC
On-Call: Yes, as part of a 24x7 support rotation
Position Summary
We're hiring a Jr. Network & Systems Engineer to join a mission-critical infrastructure team supporting a large-scale, multi-site organization. This role will assist in delivering and maintaining reliable network and systems infrastructure on-prem and cloud-based that enable 24x7 operations across the U.S. This is an excellent opportunity for an early-career infrastructure professional ready to deepen their technical skills while contributing to projects involving server and network implementations, security systems, and virtualization.
Key Responsibilities
- Deploy and manage LAN, WLAN, and WAN environments, including routing and VLAN configuration.
- Set up and maintain physical and virtual servers, storage, and firewalls.
- Support hybrid infrastructure including Microsoft 365 and AWS EC2 environments.
- Perform system monitoring, issue resolution, documentation, and preventative maintenance.
- Participate in setup of site-to-site and client VPNs and firewall configurations (SonicWall).
- Respond to escalations from Tier I/II support and assist with troubleshooting and break-fix tasks.
- Assist with facility physical security (e.G., CCTV, access control, equipment checks).
- Provide setup and support for end-user laptops, desktops, and telephony systems.
- Document technical environments including configurations, policies, and processes.
- Coordinate with vendors for hardware/software procurement, warranty work, and replacements.
- Participate in disaster recovery planning and infrastructure automation efforts.
- 5 6 years of hands-on experience in IT systems and security administration.
- Familiarity with:
- Windows Server (2016 2022) and Windows OS
- Microsoft 365 suite (Outlook, SharePoint, Teams, Word, Excel)
- VMware, SANs, SRA, and AWS (EC2 preferred)
- SonicWall firewalls and SMA systems
- VPN technologies and VLAN routing
- Strong troubleshooting and documentation skills.
- Highly organized, resourceful, and able to communicate effectively across teams.
- Comfortable in a physically active IT role, including occasional lifting of networking equipment.
- Associate s degree in a technology-related field or equivalent experience (3 4 years).
- One or more of the following certifications strongly preferred:
- Microsoft Certification
- A+
- Network+
- Security+
- Must be able to pass a 10-year background check and drug screen.
- Ability to lift up to 50 lbs;work occasionally in data center and physical environments.
- Positive attitude and a customer-service mindset.