Senior Systems Engineer (Buenos Aires, AR)

Mediaocean LLC; Buenos Aires; Hybrid; ARS 2,500,000 - 3,500,000; Full time

Job summary

Innovid, now part of Mediaocean, is building a new IT systems team and seeks a hands-on Senior System Engineer to shape it from the ground up. You’ll drive automation, introduce AI tools, and simplify secure sign-in for employees worldwide in a Cloud-first, hybrid environment.

You’ll own projects end-to-end, mentor IT Ops, and work across Windows and macOS endpoints while keeping systems patched and secure.

Qualifications

• 6+ years of experience in system administration or a related IT role.
• Hands-on experience with SAP SuccessFactors.
• Strong experience with Microsoft Entra ID, including SSO, SAML, and OIDC.
• MDM experience for Windows and macOS.
• Scripting skills for endpoint management and automation (PowerShell, Python, or Bash).
• Proven experience with automation tools and platforms (such as Workato).
• Hands-on experience building with AI tools as part of daily work.
• Excellent written and spoken English.

Responsibilities

• Rethink and rebuild our automation stack, finding opportunities to eliminate manual work across IT operations.
• Lead the adoption of modern AI tools and solutions, helping the team work smarter day to day.
• Improve the identity experience for our users while strengthening security, through passkeys, WebAuthn, and modern login features.
• Play a key role in consolidating our identity platforms into Microsoft Entra.
• Own projects from planning through delivery, working independently.
• Keep our systems up to date, patched, and secure across Windows and macOS endpoints.
• Manage access and lifecycle for users, service accounts, and AI agents.
• Spot blind spots and pitfalls in our current processes and services, and drive improvements.
• Act as an escalation point for the IT Ops team, and step in hands-on when needed.
• Mentor the IT Ops team by building tools, writing guides, and sharing knowledge.
• Implement, improve, and document policies, procedures, and processes for our IT systems.
• Research and evaluate new products and services for deployment.
• Manage relationships with external vendors

Skills

System administration

SAP SuccessFactors

Microsoft Entra ID

MDM (Windows & macOS)

Scripting (PowerShell/Python/Bash)

Automation tools (Workato)

AI tooling experience

English communication

Tools

Workato

Job description

Company Description

Innovid is the leading independent omnichannel ad tech platform, empowering marketers to create, deliver, measure, and optimize ad-supported experiences that people love. In 2025, Innovid and Flashtalking merged to create a transparent, scalable alternative to big-tech, walled-gardens, and point solutions across CTV, digital, linear, and social channels. As part of Mediaocean, Innovid is tied into the industry’s core ad infrastructure for omnichannel planning, buying, and billing. We are proud to lead the industry with our innovation, intelligence, and independence as the company best-suited to power the future of advertising.

Job Description

We're building a new IT systems team, and we're looking for a hands-on Senior System Engineer to help shape it from the ground up. This is not just a "keep the lights on" role. You'll rethink how we automate, bring modern AI tools into our daily operations, and make signing in both easier and more secure for our employees worldwide.

You’ll work in a global hybrid environment, working towards a cloud-first vision where ops and systems work go hand in hand. You’ll own projects end to end, act as an escalation point for our IT Ops team, and mentor them with tools, guides, and know-how.

The Impact You’ll Make

• Rethink and rebuild our automation stack, finding opportunities to eliminate manual work across IT operations


• Lead the adoption of modern AI tools and solutions, helping the team work smarter day to day


• Improve the identity experience for our users while strengthening security, through passkeys, WebAuthn, and modern login features


• Play a key role in consolidating our identity platforms into Microsoft Entra


• Own projects from planning through delivery, working independently


• Keep our systems up to date, patched, and secure across Windows and macOS endpoints


• Manage access and lifecycle for users, service accounts, and AI agents


• Spot blind spots and pitfalls in our current processes and services, and drive improvements


• Act as an escalation point for the IT Ops team, and step in hands-on when needed


• Mentor the IT Ops team by building tools, writing guides, and sharing knowledge


• Implement, improve, and document policies, procedures, and processes for our IT systems


• Research and evaluate new products and services for deployment


• Manage relationships with external vendors

What You’ll Bring to Us

• 6+ years of experience in system administration or a related IT role


• In-depth experience with SAP SuccessFactors


• Strong hands-on experience with Microsoft Entra ID, including SSO, SAML, and OIDC


• Strong experience with MDM for both Windows and macOS


• Scripting skills for endpoint management and automation (PowerShell, Python, or Bash)


• Proven experience with automation tools and platforms (such as Workato)


• Hands-on experience building with AI tools as part of your daily work


• Excellent written and spoken English


• A strong desire to learn and adapt to new technologies, and comfort working in a fast-changing environment

Nice to Have

• Exposure to AI agents and MCP (a strong advantage)


• Experience with passkeys, WebAuthn, or passwordless authentication rollouts


• JumpCloud


• Entra and Google Workspace administration


• AWS


• Windows Server


• Backup systems


• Experience managing and configuring Exchange and/or email systems


• One of the candidate must have


• Active Directory proficiency

You’ll Thrive Here If You

• Like owning a problem from start to finish without waiting to be told what's next


• See a manual task and immediately think about how to automate it


• Enjoy both systems work and ops work, and don't draw a hard line between them


• Get energized by change and building new things, not just maintaining old ones


• Enjoy sharing what you know and helping others grow

Equal Opportunity Employer: Innovid is an equal opportunity employer, committed to our diversity and inclusiveness. We consider all qualified applicants regardless of race, color, nationality, gender, gender identity or expression, sexual orientation, religion, disability or age. We strongly encourage women, people of color, members of the LGBTQIA community, people with disabilities and veterans to apply. We are actively working to be an anti-racist organization. We're committing to creating an inclusive and equitable workplace for all of our employees. You can read more about our commitment to DEI here.

If you are located within the EEA and subject to GDPR or are a California resident subject to the California Consumer Privacy Act, click here to understand how Innovid processes your personal information and how you can exercise your rights.