IT Systems Administrator

Kairos Power • Alameda, CA

41d • $108,700 - $127,900 • Onsite

About The Position

We are seeking an IT Systems Administrator II to support and maintain our cloud, on-premises, and SaaS platforms. This role is responsible for the administration, security, automation, and optimization of enterprise infrastructure across AWS, Microsoft, and on-premises environments.
The successful candidate will partner with business stakeholders and software vendors to support business-critical applications, upgrades, integrations, and implementations while ensuring the reliability, security, and performance of underlying infrastructure and services. The ideal candidate has experience supporting enterprise infrastructure in a regulated environment and embraces an automation-first approach to systems administration, leveraging Infrastructure as Code, scripting, and modern IT operational practices.

Requirements

• 5+ years of progressively responsible experience as a Systems Administrator, Cloud Administrator, Site Reliability Engineer, or similar role in a complex enterprise environment
• Strong experience administering Microsoft Windows Server environments, Active Directory, Microsoft Entra ID, Microsoft 365 services, identity management, and SSO integrations,
• Working knowledge of Linux server administration in AWS and hybrid-cloud environments
• Demonstrated experience administering AWS infrastructure, including services such as EC2, IAM, VPC, Route 53, Systems Manager, FSx, CloudWatch, and related AWS technologies
• Strong scripting and automation experience using PowerShell and AWS CLI
• Experience supporting SaaS, cloud-native, hybrid-cloud, and on-premises applications and infrastructure
• Bachelor's degree in Computer Science, Information Technology, or related field preferred
• 8+ years of overall IT experience is preferred

Nice To Haves

• Terraform and Ansible experience is preferred
• Nutanix AHV administration experience is preferred
• Advanced Microsoft Windows Server and Active Directory administration experience is preferred
• Experience supporting application integrations, APIs, SQL databases, and reporting platforms is preferred
• Experience working with software vendors during upgrades, implementations, and troubleshooting efforts is preferred
• Experience supporting engineering, manufacturing, laboratory, or quality-focused organizations is preferred
• Experience working in high-growth organizations undergoing technology transformation is preferred
• Prior work experience in a fast-paced, high-growth startup is preferred
• Working knowledge of networking, databases, backup and recovery, and disaster recovery concepts
• Strong understanding of cybersecurity principles, vulnerability management, patch management, and security best practices
• Excellent troubleshooting, communication, and documentation skills
• Resourceful problem-solver with a service-oriented mindset and the ability to thrive in a fast-paced environment
• Knowledge of cloud and hybrid infrastructure administration principles, including AWS, Microsoft, SaaS, and on-premises environments
• Knowledge of Infrastructure as Code (IaC), configuration management, scripting, and systems automation practices
• Knowledge of identity and access management principles, including Active Directory, Microsoft Entra ID, Single Sign-On, and least-privilege access
• Ability to monitor and assess system health, performance, availability, and capacity across enterprise infrastructure and services
• Knowledge of change management practices related to infrastructure and application deployments, migrations, upgrades, and production changes
• Ability to support and coordinate application integrations, implementations, and upgrades across internal stakeholders and third-party vendors
• Ability to develop and maintain technical standards, procedures, and system administration documentation
• Ability to provide technical guidance and knowledge sharing to employees and less-experienced IT staff

Responsibilities

• Install, configure, administer, maintain, and optimize infrastructure, services, and applications across AWS, SaaS, and on-premises environments.
• Administer and support Microsoft Windows Server, Active Directory, Microsoft Entra ID, Microsoft 365, DNS, DHCP, file services, identity management, and Single Sign-On (SSO) integrations.
• Develop, maintain, and improve automation and Infrastructure as Code (IaC) solutions using Terraform, Ansible, CloudFormation, PowerShell, or similar technologies
• Monitor system health, performance, security, and availability; investigate and troubleshoot complex infrastructure, cloud, identity, and application issues.
• Implement and maintain security controls, patch management, vulnerability remediation, and least-privilege access practices.
• Provide technical support for business-critical enterprise applications and collaborate with business stakeholders and software vendors to support operations, integrations, upgrades, and implementations.
• Participate in change management activities and support application and infrastructure deployments, migrations, testing, upgrades, and production changes.
• Create and maintain technical documentation, standards, procedures, and knowledge base articles.
• Provide technical guidance and knowledge sharing to employees and junior IT staff.
• Other duties as assigned.

Benefits

• Competitive compensation packages
• Medical, dental and vision benefits for employees and their dependents
• Paid Vacation
• 401(k) and pre-tax health insurance, dependent care, and commuter benefits (FSA)

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level