Sr. Systems Administrator

DeWinter Group; San Francisco (CA); Hybrid; USD 120,000 - 180,000; Full time

Job summary

DeWinter Group is seeking a Senior Systems Administrator to lead the evolution of our global infrastructure from a hybrid SF Bay Area base. You will architect robust cloud environments, enhance automation, and ensure system resilience to support climate action initiatives.

Ideal candidates have extensive Azure, scripting (PowerShell/Python), IaC, and database administration experience, plus strong communication skills to translate complex tech to business impact.

Qualifications

• 6+ years of progressive experience in systems administration, infrastructure design, and cloud architecture.
• Expert-level proficiency with Azure and virtualization technologies.
• Strong skills in network management, security hardening, and database administration.
• Experience with scripting automation (PowerShell, Python) and Infrastructure as Code (IaC) tools.
• Advanced understanding of enterprise web environments (IIS, Linux/PHP, WordPress).
• Excellent communication skills and ability to translate complex technical concepts into business language.

Responsibilities

• Design, deploy, and optimize Azure cloud and hybrid-cloud infrastructures for high availability and cost-efficiency.
• Lead automation initiatives utilizing scripting languages like PowerShell and Python to streamline server deployments and configurations.
• Oversee SQL database integrity, performance, and security to support internal and external projects.
• Manage network and web environments, including VPNs, DNS, SSL certificates, and disaster recovery protocols.
• Mentor junior IT staff, oversee Tier 3 escalations, and collaborate on enterprise IT projects and vendor management.
• Ensure compliance with security audits, patch management, and system hardening to uphold operational excellence.

Skills

Azure expertise

Virtualization

Network management

Security hardening

Database administration

Scripting automation

IaC tools

Web server admin

Communication skills

Education

Bachelor's degree in Computer Science / IT

Tools

AWS

SQL Server

Job description

Senior Systems Administrator

Join a purpose-driven organization committed to bold and equitable climate action as a Senior Systems Administrator. In this pivotal role, you will lead the evolution of our global infrastructure, architecting robust cloud environments, enhancing automation, and ensuring system resilience to support our mission of sustainable impact. Your expertise will directly influence the scalability and security of our transformative technology solutions, helping us drive meaningful change at a worldwide level.

Key Responsibilities:

• Design, deploy, and optimize Azure cloud and hybrid-cloud infrastructures for high availability and cost-efficiency
• Lead automation initiatives utilizing scripting languages like PowerShell and Python to streamline server deployments and configurations
• Oversee SQL database integrity, performance, and security to support internal and external projects
• Manage network and web environments, including VPNs, DNS, SSL certificates, and disaster recovery protocols
• Mentor junior IT staff, oversee Tier 3 escalations, and collaborate on enterprise IT projects and vendor management
• Ensure compliance with security audits, patch management, and system hardening to uphold operational excellence

Required Skills:

• 6+ years of progressive experience in systems administration, infrastructure design, and cloud architecture
• Expert-level proficiency with Azure and virtualization technologies
• Strong skills in network management, security hardening, and database administration
• Experience with scripting automation (PowerShell, Python) and Infrastructure as Code (IaC) tools
• Advanced understanding of enterprise web environments (IIS, Linux/PHP, WordPress)
• Excellent communication skills and ability to translate complex technical concepts into business language

Nice to Have Skills:

• Experience with AWS cloud environments
• Knowledge of enterprise backup and encryption systems
• Familiarity with IT audit compliance processes
• Experience working within a hybrid or remote work environment

Preferred Education & Experience:

• Bachelor’s degree or higher in Computer Science, Information Technology, or related field
• 6–8+ years of relevant experience in infrastructure and systems administration

Additional Requirements:

• Ability to work in a hybrid or remote capacity within eligible states (CA, OR, NY, WA, ME, TX, CO, MI, FL, MA, MN, VA, DC, GA, UT, IL)
• No sponsorship or work authorization assistance provided; pre-existing legal right to work required
• Willingness to participate in on-site work at our San Francisco Bay Area or other specified office hubs

This role offers a unique opportunity to leverage your technical expertise within a forward-thinking, mission-driven organization dedicated to climate solutions and sustainability.