IT Security and Systems Administrator

Description

IT Security and Systems Administrator

Who You Are:

You're a skilled IT Security and Systems Administrator with a primary focus on information security in mission-critical environments. You excel at traditional IT operations while applying a security-first mindset to infrastructure that absolutely cannot fail. With strong analytical and problem-solving abilities, you balance hands-on systems administration expertise with deep knowledge of security tools, monitoring, and compliance frameworks in 24x7x365 emergency services operations where downtime is not an option. You're driven to learn, methodical in your approach, and comfortable with both physical infrastructure work and complex security implementations in high-stakes environments where lives depend on system reliability.

Who We Are:

Established in 1989 Kings III is a growing, dynamic company. We’re a five-time winner of DFW Top Workplaces and nationally as a USA Today Top Workplace in 2020-2024. 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!

What You'll Do:

• Perform systems and network administration with primary focus on security controls and compliance
• Lead implementation of new SIEM solutions and maintain security monitoring capabilities
• Administer and secure VMware, Windows Server, and hybrid Azure/on-premises environments
• Configure and optimize Fortigate firewalls/wireless, Aruba switches, and NetApp SAN systems
• Manage endpoint protection (SentinelOne), email security (Mimecast), and MDM (Intune/Apple Business Manager)
• Conduct security audits, vulnerability assessments, and comprehensive log analysis using various logging and monitoring tools (PRTG, GreyLog, SysLog, SNMP, etc.)
• Conduct regular firewall rule reviews including analysis of traffic patterns, rule optimization, risk assessment of open ports and services, documentation of rule changes, and quarterly comprehensive firewall policy audits
• Manage security aspects of backup and recovery systems including monitoring backup job integrity, verifying encryption of backup data, testing restore procedures, securing off-site replication channels, and ensuring compliance with data retention policies
• Secure Active Directory, Azure AD Connect, Office 365, and SQL Server databases
• Conduct vendor security assessments including security questionnaire evaluation, compliance certification review, and ongoing security posture monitoring
• Support SOC2 compliance efforts including evidence collection and documentation, control testing and validation, remediation of audit findings, maintenance of security policies and procedures, and implementation of NIST 800-53 controls across all IT systems
• Build, document, and exercise security procedures including creation of incident response playbooks, development of security configuration standards, maintenance of network diagrams and asset inventories, regular tabletop exercises for security scenarios, and knowledge transfer documentation for all critical security processes
• Work with Manager of Information Security to scope and execute security projects

What You'll Bring:

• High school diploma or equivalent required; Bachelor's degree in IT/Cybersecurity preferred
• 3+ years systems/network administration experience
• 2+ years hands-on information security experience
• Required: SOC2 and NIST 800-53 framework experience
• Required: Security+, CySA+, GSEC, or equivalent certification
• Preferred: CISSP, CISM, CISA, or equivalent advanced certification
• VMware virtualization platforms and NetApp SAN administration
• Windows Server administration with security hardening
• Azure cloud services, hybrid environments, and Office 365 security administration
• Active Directory Domain Services, Azure AD Connect, and identity management
• Fortigate firewall and wireless management including rule creation, VPN configuration, and policy optimization
• Aruba switch configuration, Layer 3 routing, and network security controls
• SIEM implementation and administration, log correlation, and security event analysis
• Endpoint security management (SentinelOne) and mobile device management (Intune, Apple Business Manager)
• Email security platforms (Mimecast) including threat analysis and policy configuration
• SQL Server security administration, database hardening, and access controls
• Network monitoring tools (PRTG, GreyLog, SysLog, SNMP) and security analytics
• Scripting and automation (PowerShell, Python, Bash) for security operations
• Vulnerability assessment tools and penetration testing methodologies
• Encryption technologies, PKI infrastructure, and certificate management
• Compliance reporting, security metrics, and audit documentation
• Strong analytical and problem-solving skills with exceptional attention to detail
• Excellent communication skills with ability to interact effectively with all levels of the organization
• Capable of explaining complex technical and security concepts in clear, non-technical terms to business stakeholders
• Strong project management and organizational abilities with capacity to prioritize multiple initiatives
• Self-motivated learner comfortable with hands-on infrastructure work and physical installations
• Security-first mindset applied to all IT operations with proactive threat awareness
• Professional demeanor with ability to work independently and collaboratively across teams

What We Do:

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, liabilities, and costs for businesses every day.

Our primary client base includes commercial and multi-family real estate owners and property managers, and the most common areas we install our emergency phones are in elevators and at pool sides. We design, build, sell, install, service, and monitor those phones. Our Emergency Dispatch Center (EDC) provides 24/7/365 service to help dispatch local emergency services to people in distress. It’s that simple, our employees help save lives every day.

What’s in it For You:

Medical insurance with 1 HSA and 2 PPO plan options

Flex Spending Account (FSA)/Dependent Care FSA

Dental, vision, life, short- and long-term disability insurance 

Critical illness and hospital indemnity plans

401k with company contribution

Employee Assistance Program (EAP)

Company paid telemedicine 24/7 access

Wellness Program

Employee discount program 

8 paid holidays, plus 1 floating holiday

15 days of PTO accrued in year 1 

Generous referral bonus program

Work life balance (a must!)

Team building, attendance at our annual kickoff each January, and other fun events

Relaxed professional dress code

Kings III is an Equal Opportunity Employer and committed to maintaining a drug-free workplace. We do not discriminate against any employee or applicant for employment because of race, color, sex, age, national origin, religion, sexual orientation, gender identity, status as a veteran, and basis of disability or any other federal, state, or local protected class.