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Sr. Network & Systems Engineer

Irving TX

Posted: 06/11/2025 Industry: Information Technology/Technical Job Number: a1UUK000000ViuP2AS-1

Job Description

Job Title: Sr. 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: Required to offices in TX, OK, and DC as needed

On-Call: Required for off-hour support in a 24x7 environment

Job Overview
We're hiring a seasoned Sr. Network & Systems Engineer to play a key role in the design, implementation, and ongoing support of enterprise infrastructure. This position requires hands-on expertise with both system and network engineering and will join a high-performing IT operations team supporting a multi-site, multi-national business.

The ideal candidate is comfortable operating in complex, hybrid environments and is passionate about documentation, automation, and security. This role offers exposure to modern on-prem and cloud technologies and plays a strategic role in shaping infrastructure scalability and resilience.

Key Responsibilities
  • Design, deploy, and maintain LAN, WLAN, and WAN infrastructure, including routing and VLANs.
  • Install, configure, and manage Windows servers, SANs, switches, and firewalls.
  • Lead virtualization and infrastructure automation initiatives using VMware.
  • Manage and optimize site-to-site and client-server VPN environments.
  • Administer systems hosted in Microsoft 365 and AWS (EC2).
  • Implement and support enterprise backup, disaster recovery, and security protocols.
  • Maintain and troubleshoot access control, CCTV, and power/UPS systems.
  • Document network topology, configurations, and operational runbooks.
  • Oversee datacenter operations and server health across multiple office locations.
  • Provide mentorship to junior IT staff and collaborate cross-functionally with business units.
  • Participate in IT asset procurement, vendor coordination, and budgeting support.

Minimum Qualifications
  • 10 15 years of experience in IT infrastructure, networking, and security.
  • Advanced proficiency in:
    • VMware, SRA, and SonicWall (including SMA)
    • Microsoft 365 (Outlook, Teams, SharePoint)
    • Network switch configuration and VLAN routing
    • Windows Server environments (2016/2019/2022)
  • Experience with data center infrastructure management and colocation transitions.
  • Strong documentation, troubleshooting, and problem-solving skills.
  • Prior team leadership or mentorship experience.
Preferred Certifications
  • Microsoft Certified Professional (MCP)
  • CompTIA A+, Network+, or Security+
  • Other relevant networking/security certifications are a plus
Other Requirements
  • Must pass a 10-year background check and drug screen.
  • Ability to lift up to 50 lbs (occasional heavy equipment work).
  • Strong verbal and written communication skills.
  • Excellent organizational and time-management skills.

Meet Your Recruiter

Mike Maness
Technical Recruiting Manager

With over 17 years of expertise in IT workforce solutions, Mike is a business leader driving recruitment strategy, sales execution, and operational excellence. As a Technical Recruiting Manager at CornerStone TTS, he leads workforce planning, hiring optimization, and the delivery of high-impact IT staffing solutions. Mike has a proven track record in evaluating, implementing, and customizing complex IT hiring strategies. His ability to align best practices with business needs ensures seamless execution in technical hiring, bridging skill gaps while optimizing workforce capability and cost efficiency. A specialist in talent strategy and workforce analytics, he collaborates with executive teams to implement structured hiring processes that enhance recruitment performance and retention. His leadership in technical staffing, vendor partnerships, and recruitment operations makes him a driving force in TTS’s mission to deliver scalable workforce solutions that align talent with business success.

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