Senior IT Systems Administrator

Senior IT Systems AdministratorNew York, USVerve has created a more efficient and privacy-focused way to buy and monetize advertising. Verve is an ecosystem of demand and supply technologies fusing data, media, and technology together to deliver results and growth to both advertisers and publishers–no matter the screen or location, no matter who, what, or where a customer is. With 30 offices across the globe and with an eye on servicing forward-thinking advertising customers, Verve's solutions are trusted by more than 90 of the United States' top 100 advertisers, 4,000 publishers globally, and the world's top demand-side platforms.We're seeking a Senior IT Systems Administrator to keep our company running smoothly. The ideal candidate is a level-headed, hands-on specialist with deep experience configuring, managing, and troubleshooting hardware and software. You're fluent in MacOS, Windows, Google Workspace, Microsoft O365, WiFi networks, and current security protocols. You'll provide direct support to team members while driving long-term operational IT projects.Responsibilities IncludeInfrastructure & Project Leadership Own and drive long-term IT infrastructure projects from scoping through delivery including network upgrades, cloud migrations, security hardening, and tooling improvementsDevelop and maintain technical roadmaps aligned with business goals, collaborating with leadership to prioritize initiativesDesign, implement, and continuously improve automated provisioning and systems management pipelines (CI/CD for IT tooling, endpoint management)Research and evaluate new technologies, tools, and vendors; lead proof-of-concept efforts and make recommendationsPlan capacity, budget, and resourcing for infrastructure initiatives, and report progress, risks, and outcomes to leadershipSystem Administration Support Serve as technical escalation point for the Systems Administrator team and step in on complex issues, mentor, and help build team knowledgeAssist with or own high-complexity onboarding and offboarding workflows, ensuring security and access policies are followedPerform and improve maintenance activities: backups, patch management, license audits, and monitoringCreate and improve IT documentation and internal knowledge basesRespond to critical incidents and drive root cause analysis and permanent resolutionSecurity & Networking Manage firewall policies and office infrastructureParticipate in security improvement initiatives including vulnerability management, access reviews, and compliance efforts (SOX)Monitor infrastructure for threats and anomalies; lead response and remediation effortsAdminister identity and access management; SSO, MFA, and lifecycle provisioning across Google Workspace, Office 365, and SlackMaintain network architecture (VLANs, routing, DNS/DHCP, Wi-Fi) and Cisco Meraki hardware across office locationsProgramming & Automation Write scripts and tooling (Python, Bash, PowerShell, or similar) to automate repetitive workflows, improve reliability, and reduce manual toilProvide support with audit and compliance evidence collection (e.g. SOX) across cloud and SaaS platformsEstablish version control, testing, and documentation standards for IT scripts and tooling using Git-based workflowsBuild dashboards and alerting to surface system health, license usage, and anomalies before they become incidentsHere are a few indicators that you're the right personMajor initiatives land cleanly. You can scope, sequence, and deliver migrations, integrations, audits, and infrastructure upgrades on schedule with minimal disruption to the business.The Systems Administrator team levels up. You can resolve complex escalations, actively transfer knowledge, and build the team's capability so that over time fewer issues reach you than did a quarter ago.Manual toil measurably drops. You can replace repetitive workflows with reliable automation, make provisioning and onboarding faster, and drive down error rates — freeing the whole team to focus on higher-value work.The security posture strengthens visibly. You can track and close vulnerabilities on a predictable cadence, make access reviews routine rather than fire drills, and keep SOX and compliance evidence clean, complete, and audit-ready.Incidents are handled with maturity. You can bring a fast, calm response to critical issues and drive real root-cause analysis rather than band-aids, so the same problem doesn't resurface.The roadmap is proactive, not reactive. You can anticipate where the infrastructure and business are heading and propose initiatives ahead of need, rather than only responding to what breaks.Requirements5-8 years of experience in IT Systems Administration or infrastructure roles in a corporate environmentAdvanced proficiency with Office 365 and Google WorkspaceStrong experience with automated deployment and MDM platforms (Intune, Mosyle, Kandji, JAMF, or equivalent) for Mac and WindowsSolid networking foundation: routing, switching, VLANs, firewalls, DHCP, DNSHands-on experience managing and troubleshooting firewall and network hardware (Cisco Meraki experience strongly preferred)Scripting or programming proficiency in at least one language (Python, Bash, PowerShell, Go, or similar)Experience with identity and access management: Azure AD / Microsoft Entra ID, Okta, or equivalent SSO/IdPDemonstrated ability to independently manage multi-month infrastructure or process improvement projectsExperience with video conferencing systems (Zoom, Google Meet, meeting hardware)Jira/Confluence administration experience a plusExcellent communication skills: able to write clear technical documentation and present recommendationsSome company benefits includeCompetitive salaryHealth, dental, and vision insurance, plus mental health resources401(k) match and generous PTOHybrid work environment (NYC office)Free lunch for onsite team members in NYCVolunteer OpportunitiesOpportunities for professional development in a high-growth ad tech companyGreater NY-area Residents: We currently have a hybrid remote work policy. All Verve For Advertisers employees living within a 90-minute (one way) commute of our NYC office are expected to be in the office three days per week.We're open to allowing the right person to learn our industry on the job. We welcome diversity and non-traditional paths into all of our roles. We believe in hiring the right person as opposed to the right combination of keywords. Communications regarding your application will only come from @jungroup.com or @verve.com email addresses.Salary Range$100,000 - $110,000 USDVerve 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. If you are a California resident subject to the California Consumer Privacy Act, click here to understand how Verve processes your personal information and how you can exercise your rights. If you are located in the EU or UK visit our privacy policy to understand how Verve processes your personal information and how you can exercise your rights. Jun Group | Verve