IT Systems & Network Administrator
Listed on 2026-08-07
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IT/Tech
Cybersecurity, Systems Administrator, IT Support, Network Security
Description
The Role:IT Systems & Network Administrator Who You Are
You are a technically curious systems administrator who enjoys solving problems and supporting critical systems. You are comfortable operating hands-on and collaborating across a small team. You understand what reliability, security, and documentation mean in a high-availability environment. You will help implement, maintain, and secure Kings III’s IT infrastructure supporting a mission-critical 24x7 emergency communications environment. You’ll work across servers, networks, Microsoft 365, identity, backups, telecom, and endpoint platforms as part of a close-knit IT team.
This position is full-time and on-site at our Coppell, TX headquarters.
Established in 1989 Kings III is a growing, dynamic company. We’re a six-time winner of DFW Top Workplaces and nationally as a USA Today Top Workplace in . We’re on a mission for change – for our communities, our customers, and our company. If you see yourself as a builder and change agent, this is the right place for you.
More than 12% of our employees have been with the company for 10+ years, and an impressive 25% have been with us 5+ years. How do we do it? Here's what our employees say. We seek out creative employees who love opportunities for continuous learning and growth. We value innovation in not just our products, but the way we work, sell, and grow every day.
We celebrate change and are always looking for ways to do things better!
Your work keeps emergency calls connected nationwide, a life-safety mission with measurable community impact. You are joining a mature, well-funded IT program with a modern toolchain, defined scope, backing from senior IT management, and room to grow with the department.
The work is hands-on. You will own projects from planning through go-live, dig into escalated problems, become the person your teammates come to about the systems you run, and share after-hours callback for critical issues affecting the dispatch center or core infrastructure.
- Implement, maintain, and secure physical and virtual servers in Microsoft on-premises and cloud environments
- Administer networks including switches, firewalls, wireless, SANs, and monitoring platforms
- Support Active Directory and Azure AD (Entra ) in a hybrid environment
- Administer Microsoft 365 services and integrated applications
- Maintain backup, disaster recovery, and business continuity systems
- Support SIP-based telecom platforms and related infrastructure
- Secure and manage endpoints and mobile devices using MDM and security tooling
- Support security operations, incident response, and evidence collection for SOC 2 controls across access management, change management, and monitoring
- Create and maintain technical documentation and runbooks
- High school diploma or equivalent
- Proven experience working in a broad IT role within a small, dynamic team
- 3+ years administering servers, networks, identity, Microsoft 365, and security tooling
- Hands-on experience with virtualized server environments (VMware or Hyper-V)
- Ability to communicate clearly with technical and non-technical audiences at all levels of the organization
- Strong troubleshooting skills and a sense of ownership
- A learner’s mindset with the ability to both teach and be taught
- Experience supporting SIP or VoIP platforms
- Experience with Net App SAN storage platforms
- Familiarity with Aruba networking and Fortinet firewalls or wireless
- Experience with backup and recovery platforms (Veeam or equivalent)
- Basic scripting or automation experience (Power Shell or similar)
- Relevant certifications such as CompTIA Network+ or Security+, or Microsoft cloud certifications
Our mission is simple - We provide critical communications services to help people in distress.
Our Core Values are even simpler:
1. Honesty & Integrity
2. Service to the customer above all else
3. Do what is right
4. Good enough is not good enough: pursue excellence
5. Encourage individual initiative and growth
By living and breathing our mission and Core Values every day in everything we do, Kings III is creating opportunities for individuals and reducing risk,…
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