Virtual Machine Jobs in Simi Valley, CA (NOW HIRING)

As a Systems Administrator III at Kapitus, you will serve as a senior-level technical resource responsible for architecting, implementing, securing, and supporting critical infrastructure within a fast-paced fintech environment. You will own complex systems across cloud, on-premises, and hybrid platforms, while ensuring the highest standards of availability, security, and compliance required of a financial technology organization. This role blends deep technical expertise with strategic thinking — you are expected to lead by example, mentor junior team members, and drive continuous improvement across our ecosystem.

What you will do:

• Serve as the escalation point ("buck stops here") for complex infrastructure issues from the helpdesk L1/L2 support teams.
• Design, implement, and maintain secure, highly available infrastructure across private, public, and hybrid cloud environments, with a primary focus on Microsoft Azure.
• Lead architecture and deployment of IaaS, PaaS, and SaaS solutions aligned with fintech regulatory and compliance requirements (SOC 2, PCI-DSS, SOX).
• Administer and harden Windows Server environments, Active Directory (on-prem and Azure AD), and Microsoft 365 services including Exchange Online, Teams, SharePoint, and OneDrive.
• Manage endpoint security, Mobile Device Management (MDM) via Microsoft Intune/Endpoint Manager, JAMF and enforce Zero Trust security principles.
• Implement and maintain Identity and Access Management (IAM) controls, including Azure AD Conditional Access, Multi-Factor Authentication (MFA), and Single Sign-On (SSO) integrations.
• Partner with network infrastructure assisting with firewalls, Cisco Meraki switches, and access points — ensuring segmentation and security best practices.
• Assist in developing and maintain infrastructure-as-code (IaC) using tools such as Terraform, Ansible, or PowerShell DSC to drive automation and reduce manual toil.
• Administer and support virtualization platforms including VMware vSphere and Citrix Virtual Desktops on Azure.
• Manage cloud-based backup and disaster recovery solutions; own RTO/RPO objectives and conduct regular DR testing.
• Monitor, analyze, and optimize system performance, capacity, and security posture across all infrastructure components.
• Collaborate with Information Security to maintain compliance with fintech regulatory frameworks and internal security policies.
• Evaluate and recommend emerging technologies to improve operational efficiency, reduce cost, and strengthen security.
• Develop and maintain technical documentation, runbooks, and standard operating procedures (SOPs).
• Provide mentorship and technical guidance to junior systems administrators and helpdesk staff.
• Partner with cross-functional teams including Engineering, Security, and Compliance to support business-critical initiatives.
• Coordinate with managed service and outsourcing partners to ensure SLA adherence and compliance obligations are met.
• Perform all other duties as assigned

What we're looking for:

• Bachelor's degree in Information Technology, Computer Science, or equivalent professional experience.
• Minimum 5+ years of progressive systems administration experience, with at least 2 years in a senior or L3 capacity.
• Experience in a fintech, financial services, or similarly regulated industry strongly preferred.
• Deep expertise in Microsoft Azure, including Azure Virtual Machines, Azure Networking, Azure AD, and Azure Security Center.
• Mastery of Microsoft 365 administration: Exchange Online, Teams, SharePoint, OneDrive, and Microsoft 365 Groups architecture.
• Strong experience with Active Directory and Azure Active Directory, including Group Policy, RBAC, and Conditional Access Policies.
• Proficiency with virtualization technologies including VMware vSphere and Citrix Virtual Desktops on Azure.
• Hands-on experience with network technologies: firewalls, Cisco Meraki, DHCP, DNS, VPN, and network segmentation.
• Experience with infrastructure-as-code tools (Terraform, Ansible, Puppet) and scripting languages (PowerShell, Python, Bash).
• Familiarity with compliance frameworks relevant to fintech: PCI-DSS, SOC 2 Type II, SOX IT General Controls.
• Experience with cloud-based backup solutions and disaster recovery planning.
• Knowledge of Zero Trust security architecture principles and implementation.
• Experience with SIEM tools, endpoint detection and response (EDR), and vulnerability management platforms.
• Familiarity with ITSM platforms (e.g., ServiceNow, Jira Service Management) and ITIL best practices.
• Experience with Salesforce administration fundamentals is a plus.
• Ability to write scripts and leverage APIs to automate workflows and integrate systems.
• Excellent verbal and written communication skills; ability to clearly convey technical concepts to non-technical stakeholders.
• Strong analytical and problem-solving skills with a proactive, ownership-driven mindset.
• Relevant certifications preferred: Microsoft Certified (Azure Administrator Associate, MS-102), CompTIA Security+, CISSP, or equivalent.

Kapitus Total Rewards Package Includes:

• Competitive Base Salary Range of $96,300-$154,400 Kapitus is providing this as a good faith salary range to comply with applicable law. The applicant's final salary will depend on a number of factors including the applicant's geographic location, skills, and experience.
• Annual Incentive Compensation Eligibility – Up to 10% annually