Systems Administrator III

Kapitus•New York, NY

14h•$96,300 - $154,400•Remote

About The Position

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.

Requirements

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.
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.

Nice To Haves

Experience with Salesforce administration fundamentals is a plus.
Relevant certifications preferred: Microsoft Certified (Azure Administrator Associate, MS-102), CompTIA Security+, CISSP, or equivalent.

Responsibilities

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

Benefits

Competitive Base Salary Range of $96,300-$154,400
Annual Incentive Compensation Eligibility – Up to 10% annually
Health Insurance: Comprehensive medical, dental, and employer-paid vision plans through UnitedHealthcare (UHC), with various coverage levels available to meet the needs of our employees and their families. Additional perks through UHC include: Sweat Equity, free subscription to the Calm App, UHC rewards, Real Appeal, and Quit For Life.
Flexible Spending Account: Set aside pre-tax dollars from your paycheck to pay for qualified out-of-pocket medical, dental, vision, pharmacy or dependent care expenses.
Lifestyle Spending Account: Employer sponsored post-tax benefits that allow reimbursement for expenses related to physical, mental and financial well-being.
100% Company Paid Insurances: Kapitus fully covers the cost of basic short-term and long-term disability insurance, as well as vision insurance, ensuring our employees have comprehensive protection without any personal expense.
Voluntary Insurance: Supplemental life insurance as well as enhanced short- and long-term disability coverage are available through Mutual of Omaha, providing additional security for our employees. Additionally, Colonial Accident and Hospitalization insurances are also available, offering further protection against unforeseen events.
Paid Maternity and Parental Leave: Beyond state-mandated leave policies, Kapitus provides company-paid maternity and parental leave, supporting our employees during important family milestones.
Commuter Benefits: We offer pre-tax benefits on parking and commuter expenses to cover travel to and from work.
LifeBalance Program: Enhance your lifestyle with our LifeBalance membership, which offers discounts on outdoor activities, the arts, health, and fitness. Additional benefits include: Pet and car insurance discounts. Financial services such as LegalShield. Relaxation and stress management tools.
Plum Benefits Discount Program: Access exclusive discounts on shows, travel, car rentals, and more, enriching your personal and family life.
Tuition Reimbursement: Pursue further education with up to $5,000 annually in tuition reimbursement, plus opportunities to attend relevant conferences and career development events. Managed through our LSA plan, Kapitus Academy.
Travel Reimbursement: We also offer travel reimbursement for all work-related travel, supporting your involvement in career and personal development activities.
Paid Time Off and Sick Time.
Retirement Benefits: Our 401K plan is managed through Fidelity. To support your long-term financial goals, the company provides a 25% match on your contributions, up to 6% of your annual salary.