Senior Systems Administrator

CLOUDHQ - Senior Systems Administrator

Who We Are

Our purpose at CloudHQ is to provide flexible, efficient, and resilient data center solutions to businesses of all sizes.

Our growing organization was founded by the pioneer of data center REITs. CloudHQ has state-of-the-art data center sites located on two Northern Virginia campuses, as well as London, Frankfurt, Paris, Milan, and São Paulo, and we anticipate exponential growth over the next several years both in the US and abroad.

What The Role Entails

CloudHQ is seeking an experienced Senior Systems Administrator with a strong focus on Operational Technology (OT) and Industrial Control Systems (ICS) environments.

In this role, you will be responsible for the design, implementation, security, and availability of our core systems, including servers, networks, storage, specialized OT devices, and critical backup and monitoring solutions.

You'll work as part of a collaborative team, leading projects, and mentoring other IT members while ensuring the unique requirements of OT systems are met.

What You Get to Do

• Design and implement robust and scalable system architectures in line with business needs, industry best practices, and OT-specific security standards, considering both Ubuntu and Windows operating systems
• Collaborate on disaster recovery and business continuity planning with a focus on the needs of critical OT systems, including backup strategies utilizing Bacula or related solutions
• Install, configure, and maintain servers (Ubuntu and Windows), network devices (Cisco, Juniper), Fortinet security appliances, backup solutions (Bacula or related), and network monitoring tools (LibreNMS or related)
• Proactively monitor system performance and capacity with an emphasis on OT / ICS devices, anticipating future infrastructure requirements
• Troubleshoot complex system, network, application-level issues, and specialized challenges within an OT environment
• Implement and maintain rigorous security measures across our systems, with specific expertise in OT / ICS security frameworks and best practices
• Configure and manage Fortinet firewalls, intrusion detection / prevention systems, and vulnerability scanning within the OT environment
• Enforce security policies, regularly audit OT systems, and educate users on security best practices across both Ubuntu and Windows environments
• Deep understanding of OT / ICS protocols like BacNet and ModBus
• Experience in configuring and troubleshooting OT-specific devices and communication networks
• Ability to balance IT security requirements with operational needs and limitations of legacy OT systems
• Design, implement, and manage backup solutions using Bacula or similar enterprise-grade backup systems
• Install, configure, and utilize LibreNMS (or related systems) for comprehensive network monitoring and proactive alerting
• Automate routine tasks and processes to enhance efficiency and reduce errors
• Develop and maintain scripts in languages such as PowerShell or Python, taking into account OT systems, compatibility across Windows and Ubuntu, and integration with backup / monitoring tools
• Create and maintain clear technical documentation, including system configurations, procedures, network diagrams, backup / restore plans, and security incident response plans specifically for the OT environment
• Mentor and train junior IT staff members, fostering a culture of knowledge sharing and a deep understanding of OT technologies

What You Bring to The Role

• A bachelor's degree in Computer Science, Information Technology, or a related field, or equivalent experience
• Minimum of five (5) years of hands-on experience as a Systems Administrator with at least 2+ of those years in an OT / ICS focused role
• Strong expertise in both Ubuntu Server and Windows Server, along with network administration with Cisco and Juniper devices
• In-depth knowledge of networking protocols (TCP / IP, DNS, DHCP, etc.), Fortinet firewalls, and network security principles
• Experience with virtualization technologies (VMware, Hyper-V, ProxMox.)
• Experience with enterprise-level backup solutions (Bacula preferred)
• Experience with network monitoring tools (LibreNMS preferred)
• Demonstrated scripting / automation abilities (PowerShell, Python, etc.)
• Strong problem-solving, analytical, and troubleshooting skills
• Excellent communication skills, with the ability to collaborate effectively with IT, engineering, and operations teams

Our Ideal Candidate Will Also Possess

• Experience with cloud technologies (AWS, Azure, GCP, or equivalent) is a plus
• Relevant industry certifications in networking, security, OT-specific certifications, or backup solutions

What We Offer

CloudHQ’s people and culture are the most enriching aspects that make us a great place to work. We are strengthened by industry experts who bring extensive knowledge, skill, and experience;

leaders who bring vision, innovation and commitment to our people; and an expanding team of individuals who believe in that vision, and bring their best to support their customers and team.

Our employees enjoy competitive compensation and rewarding incentives, comprehensive benefits (medical, dental, vision, life insurance, disability), 401(k) with match, 12 paid holidays, generous PTO, development opportunities, and the ability to closely impact and contribute to the growth of an exceptional organization.

Equal Employment Opportunity

CloudHQ is an equal employee opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, age, national origin, disability, sexual orientation, gender identity or expression, marital status, genetic information, protected veteran status, or other legally protected status.