Senior IT Systems Administrator

About us

• We are EnduroSat! A fast-growing space scale-up at the forefront of satellite innovation, specializing in advanced software-flexible satellites for commercial, governmental, and scientific endeavors.
• This is more than a job, it's a mission
• We are making space universally accessible and redefining what's possible.

We get things done

We take ownership of what we do and we work hard to make a difference.

We are fearless

Transparency is our only way forward. We dare to address and resolve issues head-on.

We learn from our mistakes

We deliver, take informed risks, and evolve to achieve our goals.

What is the role?

We are looking for a hands-on Senior IT Systems Administrator to join our Denver, CO team. As the administrator, you will be the primary IT resource for our U.S. office, while ensuring the security, reliability, and compliance of our local and cloud-based technology environments. You will manage end-user support, infrastructure, government cloud platforms, and compliance-related activities while working closely with US teams.

Some of your daily tasks will include

Provide first- and second-line technical support for employees, resolving hardware, software, network, and security-related issues

Install, configure, maintain, and troubleshoot workstations, laptops, servers, printers, mobile devices, and office IT equipment

Administer and support local infrastructure, including servers, storage, switches, routers, firewalls, VPNs, wireless networks, and internet connectivity

Manage Microsoft GCC High services, including Exchange Online, SharePoint Online, Teams, OneDrive, Intune, Entra ID (Azure Active Directory), Conditional Access, and related security controls

Administer Azure Government resources, including identity services, virtual machines, networking, storage, monitoring, security services, and access management

Support AWS GovCloud environments, including account administration, IAM, networking, security controls, monitoring, and cloud resource management

Manage user identity and access across on-premises and cloud environments, including provisioning, deprovisioning, privileged access management, MFA, and role-based access controls

Monitor, maintain, and improve cybersecurity controls across endpoints, infrastructure, cloud platforms, and user accounts

Investigate, respond to, and document security incidents, vulnerabilities, threats, and suspicious activity in coordination with internal stakeholders

Perform vulnerability management activities, including security patching, remediation tracking, configuration reviews, and system hardening

Administer endpoint management and security solutions, including device enrollment, compliance policies, endpoint detection and response (EDR), disk encryption, and software deployment

Conduct regular system backups, restore testing, disaster recovery exercises, and business continuity readiness activities

Monitor system, network, and cloud performance, proactively identifying and resolving operational issues

Support compliance initiatives by maintaining security documentation, system inventories, audit evidence, access reviews, logs, and control records

Manage employee onboarding and offboarding processes, including account creation, permissions assignment, hardware deployment, and asset recovery

Maintain accurate documentation for infrastructure, network diagrams, cloud environments, standard operating procedures, and security processes

Coordinate with external vendors, managed service providers, cloud providers, and internal global teams to support infrastructure and security initiatives

Evaluate and recommend improvements to infrastructure, security controls, cloud architecture, and operational processes

Evaluate and make recommendations regarding modern encryption algorithms and protocols (e.g., AES, RSA, ECC, TLS/SSL) and their application to data-at-rest and data-in-transit, including disk encryption, key management, and certificate handling in line with FIPS 140-2/140-3 requirements.

What do we look for?

5+ years of experience in systems administration, infrastructure engineering, IT operations, cybersecurity, or a similar role

Bachelor's degree in Information Technology, Computer Science, Cybersecurity, or equivalent practical experience

Strong experience supporting Windows-based enterprise environments, including Windows Server and Microsoft 365

Experience administering Microsoft GCC High environments and understanding of government-regulated cloud environments

Experience managing Azure Government resources, networking, security, and identity services

Experience supporting AWS GovCloud environments, including IAM, networking, logging, and security controls

Strong knowledge of Microsoft Entra ID (Azure AD), Active Directory, Group Policy, DNS, DHCP, and identity lifecycle management

Solid networking expertise including TCP/IP, VLANs, routing, VPNs, wireless networking, firewalls, and network troubleshooting

Experience implementing and managing endpoint security technologies, including EDR, device management, encryption, patch management, and vulnerability remediation

Understanding of security frameworks, compliance requirements, and best practices applicable to government or regulated environments

Experience with system monitoring, logging, incident response, and security event investigation

Experience with Microsoft Intune, Microsoft Defender, Sentinel, Security Center, or comparable security platforms

Experience supporting CMMC, NIST 800-171, FedRAMP, ITAR, DFARS, or similar compliance frameworks

Demonstrated ability to detect, investigate, contain, and remediate security incidents, including documentation, root-cause analysis, and coordination with internal stakeholders

Strong troubleshooting, analytical, and documentation skills

Excellent communication skills with a customer-service-oriented mindset

What do we offer?

Health insurance coverage

Matching 401k plan

Generous team performance-based bonus

Aggressive, uncapped commission structure

Full autonomy over your territory-no micromanagement; direct line to leadership for fast decisions

Travel budget, conference attendance, and the tools to win

Collaboration with the EnduroSat offices with occasional international travel

Salary range $100,000- 130,000 USD. The salary will likely be within this range although it may differ based on experience level or other factors.

Why EnduroSat?

Fast-paced and delivery-focused culture

We work with well-defined quarterly based objectives, that allow us to fast-track the progression of our work and improve as we go

Tough engineering challenges & hard-core R&D

You will be able to work on unique space technology and build next-gen innovations, while mentored by world-recognized space experts

Constant learning and progression

Own your personal growth by navigating through our career progression framework and educational programs

At EnduroSat, we embrace diversity and strive to create an inclusive environment where everyone is treated with fairness and respect. We are committed to equal employment opportunities without discrimination against any employee or job applicant on the basis of race, color, religion, sex, national origin, age, disability, sexual orientation, or gender identity. Additionally, this position is suitable for people with disabilities in accordance with the People with Disabilities National Regulation Act, ensuring accessibility and accommodation in the workplace.