IT Systems Administrator II

USA Mortgage; Creve Coeur (MO); On-site; USD 70,000 - 95,000; Full time

Benefits offered by this job

Paid time off

Paid holidays

Volunteer time off

Job summary

USA Mortgage in Missouri seeks an IT Systems Administrator II to design, administer, and secure the organization’s Microsoft-based infrastructure, cloud platforms, and enterprise systems. This role independently manages assigned systems, supports advanced technical operations, and leads small to mid-scale projects to ensure reliability and compliance.

Located in-office in the United States, the position emphasizes automation, identity and access management, and security across the IT

Qualifications

• Proven experience administering enterprise infrastructure and Microsoft 365.
• Strong troubleshooting, documentation, and communication skills.
• Experience with PowerShell scripting and automation.

Responsibilities

• Design, implement, and maintain enterprise infrastructure and virtualization environments.
• Administer Microsoft 365 services including Exchange Online, Teams, SharePoint, and OneDrive.
• Implement identity and access management best practices and hybrid identity models.
• Lead small to medium infrastructure projects and coordinate with vendors.

Skills

Microsoft 365

Azure

Active Directory

PowerShell scripting

Security

Education

Associate’s Degree Preferred

Tools

Nutanix

Entra ID (Azure AD)

Job description

IT Systems Administrator II Department/Branch: Information Technology/Corporate Admin

Description

Department/Branch: Information Technology/Corporate Admin Reports to: Vice President of Information Technology FLSA Status: Exempt Work Schedule: Full-time Location: In-Office. This position is located in the United States. Currently, we are not able to employ candidates who will work from outside the U.S. for this role.

Position Summary Description

The IT Systems Administrator II is responsible for the design, administration, security, and optimization of the organization’s infrastructure, cloud platforms, enterprise systems, and Microsoft-based environment. This role independently manages assigned systems, provides advanced technical support, leads small to medium infrastructure initiatives, and ensures the reliability, performance, and security of core systems while aligning technology operations with business and compliance requirements. The IT Systems Administrator II supports modern infrastructure initiatives including automation, identity and access management, and AI-enabled technologies, while maintaining strong governance, security controls, and operational excellence across the IT environment.

Infrastructure & Systems Administration

• Design, implement, administer, and maintain enterprise infrastructure including servers, operating systems, and virtualization environments
• Manage on-premises and cloud-integrated systems in a hybrid environment, including Microsoft 365 and Azure-based services
• Monitor system health, performance, capacity, and availability to ensure optimal operation and minimal downtime
• Manage backup, recovery, and disaster recovery processes to ensure data integrity and business continuity
• Independently maintain assigned infrastructure platforms and enterprise services, including lifecycle, capacity, and performance management

Microsoft & Identity Ecosystem

• Administer Microsoft 365 services including Exchange Online, Teams, SharePoint, and OneDrive
• Manage Active Directory and Entra ID (Azure AD) including identity lifecycle, group policy, and access controls
• Implement and maintain identity and access management best practices including least privilege and role-based access
• Support hybrid identity and authentication models across cloud and on-prem systems
• Troubleshoot and resolve advanced identity, authentication, and access-related issues

Security, Compliance & Risk Management

• Implement and enforce IT security best practices across infrastructure, systems, and endpoints
• Perform threat management, vulnerability identification, remediation coordination, and risk mitigation activities
• Monitor, investigate, document, and respond to security events and incidents, including potential or confirmed cybersecurity breaches, unauthorized access, and malicious activity, following established incident response procedures
• Participate in cybersecurity investigations and support containment, recovery, evidence collection, and documentation activities
• Support compliance with applicable standards and frameworks (e.g., GLBA, NIST, audit requirements)
• Manage patching, system hardening, endpoint protection, and configuration baselines
• Maintain logging, monitoring, and audit readiness across systems and platforms
• Assist with audit preparation, evidence gathering, and remediation activities

AI, Automation & Modern Technology

• Support infrastructure and platform readiness for approved AI technologies including Microsoft Copilot and related tools
• Assist in enabling secure integration of AI services within the Microsoft and enterprise environment
• Develop and support automation, scripting, and process improvements to enhance operational efficiency
• Support system integration, orchestration, and modern infrastructure initiatives
• Identify and implement opportunities to automate repetitive administrative and operational processes

Application & Platform Support

• Administer and support enterprise applications and backend systems ensuring integration, performance, and availability
• Support database systems, maintenance processes, and performance optimization
• Troubleshoot complex system, application, and infrastructure issues to maintain operational continuity
• Coordinate with vendors and business stakeholders to resolve application and system-related issues

Project & Operational Execution

• Lead small to medium infrastructure projects, system implementations, upgrades, and migrations
• Develop implementation plans, testing procedures, documentation, and rollback strategies for assigned projects
• Coordinate assigned project activities with vendors, business units, and IT team members
• Participate in larger infrastructure initiatives and migrations under the direction of senior IT leadership
• Maintain technical documentation, standards, procedures, and system configurations
• Execute tasks and initiatives as directed by IT leadership aligned to business priorities

Technical Guidance & General IT Support

• Serve as a technical escalation resource for Help Desk staff and other IT team members
• Provide technical guidance and knowledge transfer across IT operations as needed
• Participate in technology evaluations and provide technical recommendations within established standards
• Provide advanced support and guidance across IT operations as needed
• Perform all other duties and tasks assigned
• Other duties as assigned.

Job Requirements

Broad Knowledge & Experience

Proven experience as a Systems Administrator or similar role. Demonstrated experience independently administering enterprise infrastructure, Microsoft 365, Active Directory, Entra ID, virtualization platforms, and cloud-integrated technologies.

Above Average Skills

Strong knowledge of system architecture principles and best practices. Strong troubleshooting, project coordination, documentation, and communication skills. Ability to independently identify, analyze, and resolve complex technical issues.

Demonstrated Ability

Experience with PowerShell scripting and automation. Experience administering Microsoft 365 and Entra ID environments. Familiarity with server administration in Windows and Linux/Unix environments. Experience with Nutanix or similar virtualization technology. Experience with backup, disaster recovery, endpoint protection, vulnerability remediation, system hardening, and configuration management. Ability to lead small to medium technical projects and coordinate work with internal stakeholders and vendors.

General Knowledge

IT HelpDesk Function

Competencies

Analytical, Integrity, Adaptability, Customer Service, Communication skills, Initiative, Planning/Organizing, Professionalism, Emotional Intelligence, Leadership, Resilient, Conflict Resolution, Performance Management, Team Building, Technical Credibility.

Education & Experience

Degree or Equivalent

Associate’s Degree Preferred

Years’ Experience

2 Years Of Experience Required

Specialized Training

PowerShell scripting and automation required

Active Affiliations, Certifications

General IT Certifications Preferred

Work Environment

Physical Demands

Moving heavy computer equipment and working under desks, Working in server rooms, network rooms, and telecommunications closets. Regular attendance is required, whether in office or remotely based.

Work Conditions

Professional Corporate Office, Travel as needed to support business operations

Temperament

Mild Mannered with a Strong Resolve. Maintain professional communication and a strong customer service approach. Demonstrate flexibility and responsiveness in supporting a broad range of IT functions and responsibilities

Benefits

• Paid time off, paid holidays, volunteer time off.
• Voluntary: Medical, dental, vision, HSA, FSA, Short-Term Disability, Voluntary Life Insurance, CHUBB Supplemental Insurance, Pet Insurance, 401K
• Company Paid: Long-Term Disability, Group Life Insurance, Employee Assistant Program (EAP), 401K Match, Employee Stock Ownership Plan (ESOP)