Kings III
Senior IT Systems Administrator - Security Projects
Kings III, Coppell, Texas, United States, 75019
Overview
The Role: Senior Microsoft Systems Administrator, Security Projects
Who You Are:
You're an experienced senior level systems administrator with deep Microsoft expertise who will focus exclusively on security projects and initiatives rather than routine administrative duties. You'll leverage your advanced technical background to lead strategic security implementations in a 24x7x365 emergency services environment where system security and reliability are critical.
About Us 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!
Your Responsibilities
Design, implement, and maintain complex Windows Server environments (2016/2019/2022) with focus on security hardening, vulnerability management, and compliance controls
Conduct security hardening of Windows Server environments using CIS benchmarks, Microsoft Security Compliance Toolkit, and industry baselines
Lead Microsoft 365 tenant security administration including advanced Exchange Online, SharePoint Online, Teams, and Power Platform management
Implement and optimize Entra ID with comprehensive security features including Conditional Access, Identity Protection, Privileged Identity Management, Zero Trust architecture, identity governance, and Azure AD Connect management with custom attribute mapping, advanced filtering, and synchronization optimization
Manage security of enterprise infrastructure including SQL Server, virtualization, network infrastructure, Veeam backup administration, and related technologies with focus on security hardening, performance optimization, and compliance controls
Deploy and manage security platforms including EDR/XDR, Microsoft Sentinel, Purview, and SIEM solutions with focus on log integration and threat analysis
Implement and manage email security and MDM solutions (Mimecast, Purview, Intune) for comprehensive device and communication protection
Configure and optimize network security infrastructure including FortiGate firewalls, regular rule reviews, traffic analysis, and Microsoft ecosystem integration
Advanced PowerShell scripting and Microsoft Graph API integration
Lead vendor security assessments, technology evaluations, and strategic security initiative planning with Manager of Information Security
Support SOC2 Type II and NIST 800-53 compliance efforts
Qualifications
High school diploma or equivalent
At least 5 years of IT systems and network experience with increasing responsibility
5+ years senior level Windows Server and Active Directory administration experience
3+ years Microsoft 365 enterprise administration with Entra ID hybrid environments
Microsoft certifications preferred (Azure Administrator, M365 Enterprise Administrator)
Security certification preferred (Security+, CISSP, CISM)
Expert-level Windows Server administration knowledge including Active Directory, DNS, DHCP, Group Policy
Deep Entra ID expertise with Conditional Access, identity governance, and Zero Trust architecture
Proven ability to lead complex technical projects and collaborate with cross-functional teams
What We Do Our mission is simple - We provide critical communications services to help people in distress.
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.
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Who You Are:
You're an experienced senior level systems administrator with deep Microsoft expertise who will focus exclusively on security projects and initiatives rather than routine administrative duties. You'll leverage your advanced technical background to lead strategic security implementations in a 24x7x365 emergency services environment where system security and reliability are critical.
About Us 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!
Your Responsibilities
Design, implement, and maintain complex Windows Server environments (2016/2019/2022) with focus on security hardening, vulnerability management, and compliance controls
Conduct security hardening of Windows Server environments using CIS benchmarks, Microsoft Security Compliance Toolkit, and industry baselines
Lead Microsoft 365 tenant security administration including advanced Exchange Online, SharePoint Online, Teams, and Power Platform management
Implement and optimize Entra ID with comprehensive security features including Conditional Access, Identity Protection, Privileged Identity Management, Zero Trust architecture, identity governance, and Azure AD Connect management with custom attribute mapping, advanced filtering, and synchronization optimization
Manage security of enterprise infrastructure including SQL Server, virtualization, network infrastructure, Veeam backup administration, and related technologies with focus on security hardening, performance optimization, and compliance controls
Deploy and manage security platforms including EDR/XDR, Microsoft Sentinel, Purview, and SIEM solutions with focus on log integration and threat analysis
Implement and manage email security and MDM solutions (Mimecast, Purview, Intune) for comprehensive device and communication protection
Configure and optimize network security infrastructure including FortiGate firewalls, regular rule reviews, traffic analysis, and Microsoft ecosystem integration
Advanced PowerShell scripting and Microsoft Graph API integration
Lead vendor security assessments, technology evaluations, and strategic security initiative planning with Manager of Information Security
Support SOC2 Type II and NIST 800-53 compliance efforts
Qualifications
High school diploma or equivalent
At least 5 years of IT systems and network experience with increasing responsibility
5+ years senior level Windows Server and Active Directory administration experience
3+ years Microsoft 365 enterprise administration with Entra ID hybrid environments
Microsoft certifications preferred (Azure Administrator, M365 Enterprise Administrator)
Security certification preferred (Security+, CISSP, CISM)
Expert-level Windows Server administration knowledge including Active Directory, DNS, DHCP, Group Policy
Deep Entra ID expertise with Conditional Access, identity governance, and Zero Trust architecture
Proven ability to lead complex technical projects and collaborate with cross-functional teams
What We Do Our mission is simple - We provide critical communications services to help people in distress.
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.
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