Senior System Administrator

Omnidian

11d•Remote

About The Position

As a Senior Systems Administrator at Omnidian, you will be a technical force multiplier during a period of rapid global expansion. You are a self-directed architect who thrives in high-growth environments, enjoys owning and improving systems, proactively leveraging modern AI tools to automate complex workflows and engineer resilient infrastructure. You will spend 60% of your time leading high-impact IT projects, 20% on proactive security remediation, and 20% providing Level 2+ support for our global, asynchronous workforce across the US, Australia, and Latin America. This role is primarily focused on project-based work and owning infrastructure improvements, with limited reactive support responsibilities.

Requirements

Proven Project Leadership: Demonstrated experience leading high-stake IT infrastructure projects from initiation to full delivery and documentation.
Professional Experience: 4+ years in systems administration or infrastructure engineering in a high-growth environment.
ITIL 4 Foundation is required.
Expert-level proficiency in PowerShell and Python is mandatory for automating user lifecycles and bridging data gaps between systems (e.g., Rippling, Intune, Jira).
Strong experience with cloud and endpoint management tools (e.g., Google Workspace, Azure, MDM platforms, SharePoint).
Demonstrated experience leveraging AI platforms (e.g., Gemini, Claude AI) to accelerate troubleshooting, automation, and documentation.

Nice To Haves

Project management certification/experience is a plus.
Candidates looking to grow into future IT leadership roles are encouraged to demonstrate experience in:
Contributing to 1–3 year IT infrastructure roadmaps that align with global business objectives.
Familiarity with managing IT department budgets, including OpEx/CapEx forecasting and SaaS spend optimization.
Leading technical readiness for SOC2 or ISO audits and developing internal control frameworks.
Experience presenting technical project updates and infrastructure risks to non-technical executive leadership (Legal, Finance, People Ops).

Responsibilities

Lead the implementation and lifecycle management of high-stake infrastructure projects (IDP, MDM, ITAM) from conception to full completion.
Serve as a senior technical escalation point and mentor junior IT staff, fostering a culture of continuous learning.
Contribute to architectural decisions for SharePoint Online, ensuring site designs meet the specific data-governance needs of Finance and Legal while maintaining audit readiness.
Own, support, and implement infrastructure solutions to meet sudden demand spikes, particularly during international expansion, Mergers & Acquisitions (M&A), and the onboarding of offshore staff.
Partner with the Information Security Team and senior IT staff to swiftly execute tasks required to remediate security findings and vulnerabilities within SOC2 and ISO frameworks.
Support and contribute to the development and testing of Disaster Recovery (DR) and Business Continuity Plans (BCP), primarily managed by the Information Security Team.
Establish and maintain technical designs and configuration baselines for all managed workstations, ensuring no “configuration drift” occurs across the global fleet.
Provide high-level engineering support for complex hardware and software issues for a remote global team that exceed standard specialist capabilities.
Design and maintain monitoring and observability frameworks to proactively track global system health and maintain high situational awareness.
Interact with key SaaS and infrastructure vendors to understand product roadmaps and articulate complex technical requirements for internal projects.
Provide deep technical management for the global cloud stack, including Google Workspace, GCP, Endpoint Detection & Response (EDR), and CRM solutions.
Operate within the ITIL framework for all service delivery, following a disciplined approach to incident, request, and change management.
Maintain a rigorous focus on proper Change Management procedures; demonstrate a deep understanding of the downstream impact of infrastructure changes before execution to ensure minimal business disruption.
Proactively leverage AI tools including Gemini, and Claude AI to validate administrative scripts, synthesize technical data, and rapidly develop Standard Operating Procedures (SOPs).
Act as a lead contributor to the team Knowledge Base, ensuring that project-level architectural decisions and troubleshooting workflows are documented as "living" resources.

Benefits

family medical
dental
vision
disability
401(k) administration
$1k match per year
thoughtful paid time off
12 weeks of paid parental leave to all FTE employees (birthing and non-birthing) after 1 year
four-week paid sabbatical leave after four years
monthly health insurance premiums
bonuses
long-term stock options for every employee
up to $500 in annual learning reimbursement for courses, certifications, or conferences
Comprehensive Health Coverage: We cover 100% of health insurance monthly premiums for employees and 50% for your dependents.
Performance Bonus: Exceptional work deserves exceptional rewards. You’ll be eligible for bonuses that reflect your contributions to our collective success.
Equity Stake: We offer stock options so you can share in the long-term value you help create as we shape the future together.
Continuous Growth: We are a learning organization. To support your evolution, we provide up to $500 in annual learning reimbursement for courses, certifications, or conferences.