RedCore
System Security Engineer
Skills
10 days ago
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Important information
Contract type:
Permanent
Location:
Warsaw, Poland
Work mode:
Onsite
Published on:
12 October 2026
What they need
RedCore is an international business group that creates technological solutions for digital markets.
Our products and services cover fintech, marketing, e-commerce, customer service, communications, and regulatory technologies.
Powering Growth from the Core — this is the key mission laid under RedCore’s strong foundation. This is how we consistently stay ahead: by evolving and creating scalable solutions, while remaining committed to open and transparent communication with our partners.
We're looking for a System Security Engineer to join our team!
Requirements:
5+ years in cybersecurity, including SOC engineering, SIEM, or detection engineering.
Deep understanding of SOC operations, detection engineering, incident response, threat intelligence, threat hunting, DFIR, and SOC engineering.
Hands-on experience with SIEM, EDR/XDR, NDR, threat intelligence platforms, and incident management systems.
Knowledge of MITRE ATT&CK, and SOC maturity models, with experience assessing monitoring maturity and defining a target state and roadmap.
Solid grasp of monitoring architecture: log collection and processing, data quality, and the trade-offs between visibility, cost, and operational load.
Proven experience designing and tuning detections on application and infrastructure telemetry.
Responsibilities:
Assess the maturity of the security monitoring function (data sources, pipelines, detections, processes, tooling) against industry good practice and the organization's threat landscape. Turn the findings into a prioritized, evidence-based improvement roadmap.
Own the monitoring architecture: data sources, log pipelines, SIEM/analytics platforms, and their reliability, scalability, and cost. Define standards for log onboarding, normalization, and data quality.
Design and evolve the detection engineering lifecycle: use-case management, coverage analysis, testing and validation, tuning, and retirement. Build detections from available telemetry and relevant threat scenarios, and measure their effectiveness.
Use incident investigations and root cause analysis as inputs for systemic improvements to telemetry and detections.
Automate repetitive monitoring, enrichment, and response tasks, prioritizing by the value they bring to SOC workflows.
Work with the SOC, security, engineering, and infrastructure teams to onboard new services into monitoring by design. Provide technical guidance to SOC analysts.
Maintain architecture and operational documentation so that decisions, integrations, and procedures stay transparent and transferable.
Benefits:
An exciting and challenging job in a fast-growing business group, the opportunity to be part of a multicultural team of top professionals in Development, Architecture, Management, Operations, Marketing, Legal, Finance, and more
Great working atmosphere with passionate experts and leaders, sharing a friendly culture and a success-driven mindset is guaranteed
Modern corporate equipment based on macOS or Windows, and additional equipment is provided
Paid vacations, sick leave, personal event days, days off
Corporate health insurance program for your well-being
Referral program - enjoy cooperation with your colleagues and get a bonus;
Educational programs: regular internal training sessions, compensation for external education, attendance at specialized global conferences
Rewards program for mentoring and coaching colleagues
In-house Travel Service
Multiple internal activities: online platform for employees with quests, gamification, presents and news, RedCore clubs for movie / book / pets lovers, special office days dedicated to holidays
Corporate events, team buildings
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