System Administrator

Musselman & Hall Contractors; Overland Park (KS); On-site; USD 85,000 - 110,000; Full time

Job summary

Musselman & Hall Contractors is seeking a System Administrator to manage day-to-day IT infrastructure and cybersecurity, supporting IT initiatives for growth and success.

The role covers identity and access platforms, endpoint management, network oversight, cloud operations, security monitoring, automation, and documentation, with escalation for Tier 2/3 issues. A strong cross-functional partner is essential.

Qualifications

• Associate's degree required; Bachelor's preferred.
• 4+ years architecting and managing enterprise networks.
• 4+ years implementing Conditional Access policies.
• 4+ years incident response and security operations.
• 4+ years administering MDM platforms (Intune, Jamf).
• 4+ years aligning IT with SOC 2 / NIST.

Responsibilities

• Collaborate with cross-functional teams and support leadership on strategic IT initiatives.
• Administer identity systems, SSO, MFA, and access controls.
• Manage endpoints, software packaging, and device security.
• Oversee network infrastructure, firewalls, VPNs, and connectivity.
• Support cloud infrastructure, backups, and data platform operations.
• Monitor security logs, respond to incidents, and enforce policies.
• Develop scripts and automations for maintenance and provisioning.
• Maintain SOPs, architecture diagrams, and escalation procedures.
• Serve as Tier 2/3 escalation point when needed.

Skills

Microsoft Entra ID

Intune

Google Workspace

Apple device management

PowerShell

Python

Security monitoring

Incident response

Networking fundamentals

Scripting and automation

Education

Associate's degree in IT or related field

Bachelor's degree preferred

Tools

Microsoft Entra ID

Intune

Azure

Jamf

Mosyle

Google Cloud

Job description

The System Administrator is responsible for administering day-to-day infrastructure & cybersecurity functions in the IT Department. In addition, the System Administrator serves as support for the IT Manager in executing IT initiatives to support the growth and success of the organization.

Essential Functions

• Collaboration: Collaborate across cross-functional teams, assist leadership with strategic initiatives, manage vendor relationships, and support on-call coverage as required.


• Identity and Access Platforms: Administer and maintain identity systems, directory services, access controls, single sign-on (SSO), multi-factor authentication (MFA), and user lifecycle management.


• Endpoint Platform Engineering: Manage, deploy, configure, and patch workstation and mobile device endpoints, maintaining device compliance, software packaging, and endpoint security controls.


• Network and Connectivity: Oversee network infrastructure, firewalls, VPNs, switches, routers, wireless access points, and connectivity to ensure secure and reliable communications.


• Cloud Infrastructure and Data Platform Operations: Support cloud environment administration, virtual servers, storage, backup/disaster recovery processes, and enterprise data platform operations.


• Security Operations: Monitor security logs, evaluate threat intelligence, respond to security alerts and incidents, and enforce security policies across all organizational platforms.


• Automation and Tooling: Develop scripts, workflows, and automated tasks to streamline system maintenance, user provisioning, and operational workflows.


• Documentation and Escalation: Maintain standard operating procedures, architectural documentation, and system diagrams, serving as an escalation point for Tier 2/3 technical issues.

Knowledge, Skills, and Abilities

• Professionalism & Ethical Standards: Ability to act with integrity, professionalism, confidentiality, and in accordance with company policies and values.


• Time Management: Excellent time management skills with a proven ability to meet deadlines.


• Organizational & Analytical Excellence: Apply strong problem-solving skills and attention to detail to manage complex tasks and consistently meet strict deadlines.


• Technical Proficiency & Communication: In-depth knowledge of Microsoft Entra ID and Intune, Google Workspace administration, and Apple device management (Mosyle, Jamf or similar). Working knowledge of networking fundamentals (firewalls, VLANs, wireless, VPN) and cloud platforms (Azure, Google Cloud). Proficiency in scripting and automation (PowerShell, Python, or similar). Solid grounding in security monitoring and incident response practices. Communicate effectively across all levels of the organization, both verbally and in writing.

Experience & Education

• Education: Associate's degree in Information Technology, Computer Science, or a related field required; Bachelor's degree preferred. (An equivalent combination of relevant work experience, industry certifications, and/or graduation from an accredited IT training program/bootcamp may be substituted for the degree requirement).


• Minimum of 4 years of relevant work experience; relevant professional certifications across key platforms mentioned in this document (such as Microsoft Entra ID, Intune, Azure, Google Cloud, or Apple device management) may substitute for a portion of the required work experience.


• Minimum of 4 years of experience architecting and managing enterprise networks, spanning physical, virtual, and VPN infrastructure.


• Minimum of 4 years of experience implementing and maintaining Conditional Access policies within an enterprise environment.


• Minimum of 4 years of experience leading or participating in cybersecurity incident response, including threat detection, analysis, and remediation.


• Minimum of 4 years of experience administering enterprise MDM platforms (e.g., Intune, Jamf) for endpoint management, policy enforcement, device compliance, and patch orchestration.


• Minimum of 4 years of experience aligning IT infrastructure, policies, and security operations with industry compliance frameworks (such as SOC 2 or NIST).

We are dedicated to building careers, not just projects. At Musselman & Hall, we live our commitment to ‘Creating Opportunities for People to Thrive’ by providing a clear path for professional development and upward mobility for our team members. Exceptional performance in this role opens the door to significant leadership opportunities, including but not limited to:

• Senior System Administrator: Leads complex IT projects, architects advanced cloud and cybersecurity solutions, resolves escalated technical issues, and provides strategic mentorship to the IT team.

Physical Demands

The physical demands listed must be able to be met by the incumbent in this role to successfully perform the essential functions of the job, with or without reasonable accommodation

• Ability to regularly attend work in an office environment.


• Ability to intermittently lift up to 50 pounds.


• Ability to use a ladder.


• Ability to spend prolonged periods of time sitting at a desk and working on a computer.


• Ability to navigate around the office, yard, and jobsites.

Other Requirements

• Full-time position with the majority of work performed during standard weekday business hours.


• Occasional work outside of business hours for system maintenance and projects.


• Some travel to company office locations may be required.