IT Systems Administrator job in Tulsa

The IT Systems Administrator is responsible for the secure operation, maintenance, and continuous improvement of the organization’s IT infrastructure with a strong emphasis on cybersecurity, compliance, and CMMC (Cybersecurity Maturity Model Certification) requirements. This role ensures systems are reliable, monitored, hardened, and compliant with NIST SP 800-171 and related frameworks, while supporting business operations and protecting Controlled Unclassified Information (CUI)., The System Administrator is responsible for effective provisioning, installation/configuration, operation, and maintenance of IT systems hardware and software and related infrastructure. Provide support, maintenance, and administration for the network and end users. In this role, you will be responsible for deploying, maintaining, and securing physical and virtual servers, networks, and storage systems used in aerospace and spacecraft mission planning, and control. You will work closely with engineering software’s to ensure that computing environments meet performance, safety, and security requirements. Experience managing complex systems in high-reliability environments, ensuring maximum uptime, data integrity, and compliance with aerospace industry standards

This position will play a crucial role in the production process and contribute to the company’s overall performance in Quality, Cost, Delivery, Safety, and Attitude (QCDSA). We are a diverse team of collaborators, doers, and problem-solvers who are relentlessly committed to delivering excellence in aerospace manufacturing., Systems Administration

• Administer, maintain, and monitor Windows Server environments, Active Directory, Group Policy, Microsoft 365, and associated services.
• Manage virtualization platforms (e.g., Hyper-V, VMware) and on-prem/cloud hybrid infrastructure.
• Ensure high availability, performance, and reliability of servers, storage, and core services.
• Perform regular system updates, patching, and lifecycle management.

Security & CMMC Compliance

• Maintain, and enforce security controls aligned with CMMC Level 2 and NIST SP 800-171 requirements.
• Support the protection of Controlled Unclassified Information (CUI) across systems, networks, and storage.
• Configure and maintain endpoint protection, disk encryption, secure authentication, and access controls.
• Assist with security hardening, baseline configurations, and vulnerability remediation.
• Participate in security risk assessments, POA&M tracking, and continuous improvement efforts.

Identity & Access Management

• Manage user accounts, roles, permissions, and least privilege access.
• Enforce MFA, password policies, and secure authentication standards.
• Monitor and review access logs and account activity.

Monitoring, Logging & Incident Support

• Maintain system monitoring, logging, and alerting platforms.
• Review logs for security events, anomalies, and policy violations.
• Assist with incident response, containment, investigation, and documentation.
• Support forensic evidence collection and audit requests when required.

Backup, Recovery & Business Continuity

• Manage backup systems and ensure secure, encrypted, and tested backups.
• Perform and document backup restoration testing.
• Support disaster recovery and business continuity planning.

Documentation & Evidence

• Create and maintain system documentation, diagrams, SOPs, and configuration standards.
• Maintain audit-ready evidence for CMMC assessments, internal audits, and customer requirements.
• Assist with policy and procedure development related to IT and security operations.

End-User & Operational Support

• Provide tier 1/2/3 support for IT issues and escalations.
• Support secure workstation configurations and compliance enforcement.
• Collaborate with management, security, and compliance stakeholders., Reporting & Collaboration
• Reports to: IT Manager / Director of IT
• Works closely with: Security, Compliance, Operations, and Management teams

Physical & Work Environment (Optional)

• Primarily office-based with occasional after-hours maintenance or incident response.
• May require access to secure areas or systems handling CUI.

This position plays a critical role in maintaining the organization’s security posture and ensuring ongoing compliance with CMMC and customer cybersecurity requirements., This position is designated as Safety Sensitive under Oklahoma law, including the Oklahoma Medical Marijuana and Patient Protection Act. As a result, individuals in this position are subject to drug testing, and the use of medical marijuana-even with a valid license-is not permitted. This designation helps ensure a safe and compliant work environment for all employees.

The company has reviewed this job description to ensure that essential functions and basic duties have been included. It is intended to provide guidelines for job expectations and the employees’ ability to perform the job successfully. It is not intended to be construed as an all-inclusive list of duties. Additional requirements may be assigned as deemed appropriate. This document does not represent a contract of employment, as the company reserves the right to change the job description and/or tasks as they deem appropriate.

The ideal candidate is security-minded, detail-oriented, and comfortable operating in regulated environments where documentation, evidence, and repeatable processes are critical., * Bachelor’s degree (B. A.) from four-year college or university or 3 years related experience and/or training or equivalent combination of education and experience. Certification in, Network+, A+, MCSE desired., * 3+ years of experience as a Systems Administrator or similar IT role.

• Strong experience with Windows Server, Active Directory, Group Policy, and Microsoft 365.
• Solid understanding of cybersecurity fundamentals and secure system administration.
• Working knowledge of CMMC, NIST SP 800-171, or similar regulatory / compliance frameworks.
• Experience with system monitoring, patch management, and endpoint security tools.

• Ability to document processes clearly and maintain compliance evidence.

• Knowledgeable in Dell Server and Desktop Hardware.
• Knowledgeable in TCP/IP MPLS, DHCP, WINS, DNS, VLAN, VPN, LAN & WAN etc.
• Knowledge of Active Directory Services and Server Operating Systems.
• Knowledge in network hardware i.e. Switches & Access Points.
• DELL/EMC Hardware & Software.
• DELL Compellent hardware and Software.
• VMware Virtualized Environments.
• Office 365 Administration.
• Basic SQL administrative experience.
• Knowledgeable in Microsoft Office applications.
• Logical thinker, ability to logically solve problems, proactive in resolving problems and troubleshooting.

• Excellent analytical abilities, project, and time management skills, with ability to work on multiple projects simultaneously.

• Excellent verbal and written communication skills.
• Ability to take direction and work independently without constant supervision.

Preferred Qualifications

• Experience supporting or preparing for CMMC Level 2 assessments.
• Familiarity with SIEM, vulnerability scanning, and security monitoring tools.
• Scripting experience (PowerShell preferred).
• Experience in regulated environments (DoD contractors, aerospace, manufacturing, or similar).
• Linux (Ubuntu / Docker) experience a plus.
• Relevant certifications (Security+, CySA+, CISSP, Microsoft, or similar).

Key Competencies

• Security-first mindset
• Attention to detail and documentation
• Strong troubleshooting and analytical skills
• Ability to balance operational needs with compliance requirements
• Clear communication with technical and non-technical stakeholders, * High integrity and commitment to company values.
• Proactive, solution-focused, and committed to excellence.

OTHER REQUIREMENTS

• Legally authorized to work in the U.S.
• Adheres to OSHA, NADCAP, ISO9000 / AS9100, ITAR, FAA regulations and company specific safety standards.

PHYSICAL REQUIREMENTS

Must be able to stand, walk, bend, and reach for extended periods (up to 8-12 hours per shift). Able to lift, carry, push, or pull up to 25-50lbs regularly, and occasionally heavier weights with assistance.

Must be able to tolerate exposure to manufacturing environments, including moderate noise levels, vibrations, and varying temperatures.

Ability to wear personal protective equipment as required, Such as safety glasses, gloves, and hearing protection.