Senior Systems Administrator

OneWeb Technologies•Houston, TX
•Remote

About The Position

Eutelsat Network Solutions is seeking a dedicated, growth-oriented Senior Systems Administrator to join its Technology team. The role supports secure, reliable, and scalable technology services, including day-to-day administration of Microsoft 365 and Azure Gov Cloud environments, helpdesk escalation, system patching, and configuration management across hybrid systems. The position focuses on problem solving, process improvement, and operational excellence. The administrator provides advanced technical support and manages hybrid infrastructure, identity and device lifecycles, automation, backups and disaster recovery, system security, monitoring, and performance. The role also leads infrastructure projects, collaborates with security and incident response teams, maintains technical documentation, and participates throughout the infrastructure lifecycle. The position is remote, requires U.S. citizenship, and may require the employee to obtain and maintain a security clearance if needed. National travel of up to 20% is possible. The role has no supervisory responsibilities.

Requirements

  • Bachelor's degree in a related field or equivalent experience in lieu of a degree.
  • Minimum 6 years of relevant systems administration experience.
  • Security+ CE certification or equivalent.
  • Scripting experience in Python, PowerShell, Bash, or similar languages.
  • Knowledge of five or more of the following: Windows Server 2019 or 2022; Windows 11; Ubuntu 22.04 LTS; iDRAC and iLO; Docker; enterprise networking; endpoint security; vulnerability remediation.
  • Knowledge of five or more of the following cloud technologies: Virtual Machines; vWAN, vHub, VNet, Subnets, WAF, or Application Gateway; SharePoint; Exchange; Entra ID; Azure Virtual Desktop; Azure Update Manager; Key Vaults, Storage Accounts, or Managed Identities.
  • Strong analytical and troubleshooting abilities.
  • Excellent communication skills for technical and non-technical audiences.
  • Ability to work in fast-paced environments and manage multiple priorities.
  • Strong attention to detail and commitment to operational excellence.
  • U.S. citizenship required.
  • Must be able to obtain and maintain a security clearance if needed.

Nice To Haves

  • Familiarity with logging and monitoring tools such as Zabbix, Azure Monitor, and Log Analytics.
  • Background in cybersecurity and compliance frameworks such as NIST SP 800-171, CMMC 2.0, NIST SP 800-53, or RMF.
  • Familiarity with secure baselines and hardening guidelines such as DISA STIGs and CIS Benchmarks.

Responsibilities

  • Provide Tier 2/Tier 3 technical support and act as the primary escalation point for complex infrastructure, authentication, Microsoft 365, access, and system-level issues.
  • Troubleshoot and resolve advanced user, system, and performance issues across hybrid environments.
  • Execute onboarding, offboarding, and lifecycle management tasks across identity, applications, and devices.
  • Deploy, configure, and maintain hybrid server, storage, networking, and endpoint infrastructure across all sites.
  • Configure and deploy applications using centralized management tools such as Company Portal.
  • Develop, maintain, and optimize automation scripts using PowerShell, Python, Bash, or similar technologies.
  • Manage, monitor, and validate backup, restore, and disaster recovery solutions for hybrid systems.
  • Perform system updates, patching cycles, and security hardening activities to maintain stability and compliance.
  • Support container deployments, updates, troubleshooting, and availability management.
  • Lead infrastructure-related projects by translating requirements into technical solutions and coordinating execution across teams.
  • Implement, maintain, and improve security policies and technical controls across cloud and on-premises environments.
  • Conduct security assessments, vulnerability remediation, and compliance validation alongside security and governance teams.
  • Coordinate with security and incident response teams on investigations, containment actions, and forensic efforts.
  • Implement and administer monitoring and observability solutions such as Azure Monitor and Zabbix.
  • Configure alerting and notifications to identify system issues and performance degradation proactively.
  • Analyze infrastructure performance metrics and execute optimization strategies to improve reliability, scalability, and efficiency.
  • Troubleshoot complex system-level failures and coordinate resolution across cross-functional teams.
  • Maintain accurate system documentation, architectural diagrams, and runbooks.
  • Participate in infrastructure requirements gathering, design, deployment, testing, integration, cutover, and ongoing maintenance.
  • Configure and deploy hardware, including servers, storage, networking, and endpoint devices at organizational sites.
  • Establish and maintain cybersecurity posture for entrusted systems using sound cybersecurity engineering principles, including access control, least privilege, central authentication, and vendor recommendations.
  • Perform other job-related duties assigned by the manager.
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