Senior Systems Administrator Jobs in Santa Clara, CA

Joseph J. Albanese, Inc. is seeking a highly skilled Senior Systems Administrator to join our IT Operations team. In this role, you will be responsible for managing and enhancing our hybrid infrastructure across on-premises and cloud environments, supporting both office employees and distributed field teams. The Senior Systems Administrator will serve as a senior technical resource, ensuring systems are secure, reliable, and scalable while driving continuous improvement across the IT environment. Voted “Best Places to Work” for the past 8 years in a row, JJA is a dynamic, fun environment with significant career opportunities to further grow and develop professionally.

ESSENTIAL DUTIES & RESPONSIBILITIES:

• Manage and maintain core infrastructure, including virtualization platforms and cloud services
• Administer Windows server environments and Microsoft 365 services
• Lead system upgrades, migrations, and lifecycle management initiatives
• Ensure high availability, performance, and scalability of all systems

• Manage endpoint configuration, compliance, and lifecycle across corporate and field devices
• Administer modern device management platforms and endpoint monitoring tools
• Oversee patching, provisioning, and device security standards

• Administer enterprise security platforms (endpoint protection, detection, and monitoring solutions)
• Enforce identity and access management controls (MFA, conditional access, least privilege)
• Support incident response, investigations, and corrective actions
• Maintain and support compliance with frameworks such as SOC 2, ISO 27001, CMMC, NIST 800-171 and ITIL-based operational practices
• Participate in audits, policy enforcement, and continuous improvement of the organization’s security and compliance posture

• Act as an escalation point for complex technical issues and outages
• Monitor system health and proactively identify risks
• Perform root cause analysis and implement long-term solutions

• Develop scripts and automation to streamline operations and reduce manual effort
• Standardize configurations and improve system reliability

• Partner with IT leadership, service desk, and vendors on key initiatives
• Mentor junior team members and contribute to team development
• Assist in evaluating and implementing new technologies

NOTE: These duties listed are meant to describe the general scope of the work. Other duties may be assigned based on business needs within the organization.

QUALIFICATIONS:

• 7+ years of experience in systems administration or infrastructure engineering
• Strong experience with:
  • Microsoft 365 and cloud identity platforms
  • Endpoint management and device lifecycle management
  • Virtualization technologies (enterprise hypervisors)
  • Hybrid cloud/on-prem environments

• Strong understanding of networking fundamentals (TCP/IP, VPNs, firewalls)
• Experience with identity and access management systems
• Proficiency in scripting and automation (PowerShell preferred)
• Ability to troubleshoot across infrastructure, endpoint, and security layers

OTHER:

• General work environment – sitting for long periods, standing, walking, typing, bending.
• Occasional lifting of up to 20 lbs.

WHY JOIN JJA:

Joseph J. Albanese is a family-owned construction business established and based in Santa Clara, California, since 1955. With approximately 1000 employees, the company has been instrumental in developing Silicon Valley by performing site / structural concrete, demo, grading, and paving for many of the outstanding projects in Northern California. Our core values are Safety, People, Quality, and Truth! JJA utilizes BIM and other cutting-edge technology to verify constructability and to communicate complex project geometries to field professionals. We offer competitive pay and benefits. See some of our highlighted projects on our website at www.jjalbanese.com.

Joseph J. Albanese, Inc. provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws.