Job Application for DevOps Engineer at Sytac

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Job Title: DevOps Engineer – Card-Transaction Clearing

Location: Hybrid – 1 fixed office day (Tuesday) plus a second day to be agreed
Start Date: ASAP
Duration: 12 months, with strong likelihood of extension
CV Deadline: 1 July, 12:00 (mid-day)
Interview Process: 2–3 rounds

About the Team

You will join the Payments, Cards & Cash Chapter (≈ 85 professionals). The DevOps squad itself has 10 engineers; one is leaving, creating this vacancy.

The squad owns the full clearing & settlement flow for debit, credit and mobile-card transactions.

Mission & Scope

Process ~ 2 million transactions per day, receiving clearing files from Visa and Mastercard.
Validate, enrich, and book transactions, excluding blocked cards before final posting.
Keep high-volume batch and online services reliable, performant and compliant.
Support both the current platform (≈ 18 months more in production) and a green-field replacement now being built.

Core Tech Stack

Area	Primary Tools / Tech
OS & Infra	Linux (main), minimal Windows Server, VMs in the client’s private cloud, moving to Azure-based internal hosting
Containers	Kubernetes & OpenShift (deployments/pipelines)
Databases	Oracle in the client’s cloud; maintained by the engineering team (patching, tuning, query optimisation)
Applications	2 vendor systems + 3 in-house batch Java apps
CI/CD	Azure DevOps (end-to-end pipeline ownership)
Scripting	Shell & Python
Observability	ELK stack, plus fitness-function tests

Ways of Working

Agile / Scrum, with strong pair-programming culture.
24 × 7 stand-by rotation (shared roster).
Close collaboration with neighbouring authorisation and risk teams during migration to the new supplier platform.

Key Responsibilities

Operate, monitor and support all card-clearing services in production.
Build and maintain CI/CD pipelines, infra-as-code and automated tests.
Optimise Oracle queries, schedule patching and remediate vulnerabilities.
Contribute to container-first architecture and deprecate legacy VMs.
Proactively address risk, security and compliance requirements in every change.

Must-Have Skills (Killer Criteria)

Deep Linux administration in high-availability environments.
Oracle DB expertise (maintenance, tuning, patching).
Hands-on CI/CD pipeline experience – ideally Azure DevOps.
Solid monitoring/logging know-how (ELK or similar).
Proven application-support background (incident, root-cause, performance).

Bonus Points

Kubernetes / OpenShift in production
Payment-domain or card-network experience
Visa/Mastercard file-processing know-how
Strong pair-programming & Agile mindset

If you are a proactive DevOps Engineer with a Linux-and-Oracle core skill-set, keen to work on mission-critical, high-volume financial systems, we’d love to receive your CV before 1 July, 12:00.

About Sytac:

At Sytac, we’re on a mission to become the leading name in digital solutions. We aim to help Dutch companies stay ahead with the latest technology. We’re not just another IT company; we’re a lively team of tech enthusiasts dedicated to pushing the boundaries of what’s possible. Our success comes from our amazing team—people who love technology and are dedicated to being the best in everything we do.

Our goal is to be recognized as one of the top 10 tech partners and one of the top 25 employers for tech professionals. Join us as we work to make a real difference in the world of technology!

If you’re excited about leveraging your AI expertise to drive innovation and make a real impact, we’d love to hear from you!

DevOps Engineer