Senior IT Systems Administrator

📋 Description

• Design, architect, and sustain enterprise infrastructure across hybrid cloud, on-premises, and SaaS environments to guarantee scalability, security, and high availability for a rapidly expanding cybersecurity organization.

• Act as a senior technical leader and subject matter expert in systems architecture, identity management, endpoint management, collaboration platforms, and enterprise services.

• Collaborate closely with the Director of Information Technology to guide the IT Operations team, drive strategic projects, and ensure alignment between infrastructure capabilities and business goals.

• Create and manage multi-cloud infrastructure environments, including identity integrations, compute workloads, and platform services.

• Lead the architecture and lifecycle management for enterprise productivity and collaboration platforms, ensuring secure configurations, policy enforcement, and operational reliability.

• Develop and sustain identity and access management architecture, encompassing directory services, federation, authentication flows, and enterprise access controls.

• Design, deploy, and oversee endpoint infrastructure for corporate workstations and laptops across various operating systems, ensuring a robust security posture and user productivity.

• Manage secure infrastructure for internal systems and services, including virtualized workloads, internal application hosting, and enterprise service platforms.

• Drive the architecture of secure email and messaging platforms, focusing on authentication, reputation protection, and anti-abuse measures.

• Design and maintain enterprise networking and secure remote access infrastructure, supporting distributed employees and global operations.

• Implement and sustain centralized logging, monitoring, and observability platforms to enhance operational visibility, troubleshooting, and security investigations.

• Lead initiatives in vulnerability management, including patching strategies, remediation processes, and risk mitigation across infrastructure, endpoints, and applications.

• Collaborate with security engineering teams to ensure infrastructure adheres to security best practices, compliance standards, and threat mitigation strategies.

• Evaluate, recommend, and implement new tools and technologies to enhance operational efficiency, security posture, and developer productivity, ensuring the company remains aligned with modern best-of-breed solutions.

• Provide architectural guidance and mentorship to systems engineers and IT operations personnel while also being an active hands-on contributor.

⛳️ Requirements

• 7+ years of progressive IT experience, including a minimum of 4 years in a senior systems administration position.

• Hands-on expertise in managing Windows Server and Linux in enterprise production settings.

• Strong background in hybrid cloud infrastructure, particularly with AWS.

• Understanding of ITIL-based ITSM practices (Change & Incident Management) and alignment with core values (curiosity, improvement, empathy, transparency).

• Core infrastructure knowledge: Windows Server, Active Directory, Group Policy, DNS/DHCP, and Linux (Debian-based, CLI).

• Familiarity with cloud and workplace platforms: AWS, Microsoft 365, Azure AD (Entra ID), Intune, and Defender.

• Proficiency in automation and operations: PowerShell/Bash/Python scripting, ITSM tools (Zendesk, ServiceNow, Jira), backups, and SIEM/monitoring.

• Strong analytical and troubleshooting abilities with a structured approach to problem-solving.

• Effective communicator capable of translating technical concepts for non-technical stakeholders.

• Demonstrated ability to manage multiple priorities in fast-paced, security-sensitive environments.

• Collaborative team player experienced in cross-functional work across IT and business units.

• High standards of professionalism, accountability, discretion, and a willingness to assist with on-call/after-hours incidents.

🏝️ Benefits

• Health/Dental/Vision/life insurance: 100% covered for both the employee and their family.

• Flexible time off policy.

• 13 paid holidays each year.

• 401(k) with up to 4% company match.

• Stock Options & semi-annual bonuses.

• Remote work: $1,500 new hire allowance for setting up a home office.

• $500 annual home office allowance after the first year.

• $1,800 annual reimbursement for cell phone and internet expenses.

• $5,000 annual allowance for professional development.

• $5,250 towards continuing education or student loan repayment.

• $1,200 annual budget for lifestyle, wellness, pet insurance, and more.

• A one-time $10,000 benefit for family planning.

• In-person and virtual employee events throughout the year.

• And of course, company swag!