Systems Administrator III

Full-time Contract Position – Hybrid/Onsite in CO

Our client, a global leader in aerospace and national security, is driven by bold goals — advancing space exploration, safeguarding service members, and building the systems that unite the world. This role supports a vital business area that delivers affordable, turnkey command and control, communication, integrated ISR, force protection, and security solutions worldwide. Our client is dedicated to providing cutting-edge technologies and innovative solutions to address the nation’s most critical security challenges. #EngineeringTheFuture!

The Company

Our Client’s mission is to stay ahead of the curve, developing solutions today to tackle the challenges of tomorrow. With over 60 years of leadership, they have driven transformative change in the aerospace and defense industry. Their innovative solutions provide connected protection through advanced command, control, and communications platforms, along with capabilities in ISR, cyber, electromagnetic spectrum management, and more, ensuring national security across multiple domains. Dedicated to expanding the industrial base and delivering open architecture platforms, our client plays a crucial role in fostering competition, providing value, and accelerating innovation. Their ability to scale and commitment to open architecture set them apart in driving industry progress.

The Position

Our Client is seeking a highly experienced Systems Administrator to manage and support a complex IT infrastructure, including on-premise servers, cloud environments, and AI systems. This role involves maintaining and optimizing system performance, implementing security patches and upgrades, and ensuring compliance with NIST 800-171 standards. Responsibilities include managing virtualization platforms such as VMware or Hyper-V, administering Active Directory, DNS, and DHCP, and supporting Azure Entra and RBAC. The ideal candidate will have 6+ years of relevant experience, strong expertise in cloud operations (AWS or Azure), and proficiency with monitoring tools like Azure Monitor or SolarWinds. This position also requires excellent troubleshooting skills across server environments, familiarity with LAN/WAN/VLAN networks, and the ability to provide technical support and documentation. A Bachelor’s degree in a related field is required, and U.S. citizenship is mandatory.

Duties & Responsibilities

Manage and maintain servers and related infrastructure components
Manage and maintain AI systems, including hardware and software components
Monitor system performance and ensure optimal operation of IT infrastructure
Perform system upgrades, patches, and routine maintenance to ensure security and reliability
Troubleshoot and resolve on premise and cloud infrastructure Implement and maintain backup and disaster recovery solutions
Administer and support Active Directory, DNS, DHCP, and other network services
Administrator and support Azure Entra and RBAC Manage virtualization environments (e.g., VMware, Hyper-V) and cloud services (e.g., AWS, Azure)
Collaborate with other IT team members to develop and implement IT policies and procedures
Provide technical support and guidance to end-users and junior IT staff
Maintain documentation for system configurations, procedures, and network diagrams
Ensure NIST 800-171 compliance
Participate in on-call rotation and provide after-hours support as needed

Supervisory Responsibilities

No immediate direct reports

Skills & Qualifications

Bachelor's Degree in a related field with at least 6 or more years of relevant experience
Higher education may substitute for relevant experience
3-5 years experience implementing and supporting Hypervisor/Hyper Converged environments (VMware, Nutanix etc.)
1-3 years experience implementing and supporting AWS or Azure Cloud Operations
3-5 years experience with IT Operations Monitoring Tools (Azure Monitor, VROperations, Solarwinds)
Ability to Troubleshoot Network connectivity between Server-to-Server infrastructure across environments
Experience with networks (LAN, WAN, VLAN) and patch management of devices
Familiarity with administration and troubleshooting various operating systems and platforms (Microsoft, Red Hat, Azure, AWS)
Excellent communication skills

Work Environment

On-site or Hybrid position located in Colorado
This is a 6-month contract

Compensation

Position offers an hourly W2 Rate between $65-$75, with additional benefits

Requirements

Because this client is a Federal Government Contractor performing services for the DoD, US Air Force, NASA and others, they do require US, Non-Dual Citizenship

Certificates, Licenses, Registrations

None required

Other Duties

Please note this job description is not designed to cover or contain a comprehensive listing of activities, duties or responsibilities that are required of the employee for this job. Duties, responsibilities and activities may change at any time with or without notice.

This company is an equal opportunity employer. We evaluate qualified applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, veteran status, and other legally protected characteristics.

Perks of the Job

Health Benefits

Multiple Healthcare plans are available, Vision, Dental, Medical, and Life insurance

Paid Time Off

Competitive Paid Leave plan includes 10 (PTO) days, 12 Paid holidays, and 5 sick days

Financial Benefits

Nonmatching, self-administered 401k program through Human Interest

Top Tier Clients

H2B works with resume-building Clients, offering vast opportunities for growth

Professional Support

Our employees are set up for success with the tools, training, and time they need

Culture of Inclusivity