Porto, Portugal Hybrid Full-time

dxFeed is hiring a Senior Systems/Networks Engineer (Tier 3)

About the Role

The role involves managing, troubleshooting, and enhancing large-scale systems and network environments. Responsibilities include resolving escalated technical issues, implementing secure and resilient architectures, and supporting critical infrastructure operations.

Responsibilities

  • Diagnose and resolve advanced network and system issues
  • Maintain high availability and performance of core infrastructure
  • Implement and manage secure network configurations
  • Support on-call rotations for critical incidents
  • Collaborate with engineering teams to deploy scalable solutions
  • Monitor network performance and optimize traffic flow
  • Configure and maintain firewalls, routers, and switches
  • Troubleshoot connectivity problems across distributed systems
  • Ensure compliance with security policies and standards
  • Document network topologies and system configurations
  • Participate in capacity planning and infrastructure upgrades
  • Respond to security alerts and conduct incident investigations
  • Manage access controls and authentication systems
  • Support cloud-based infrastructure and hybrid environments
  • Work with third-party vendors and service providers
  • Deploy and maintain monitoring and alerting tools
  • Assist in disaster recovery planning and testing
  • Optimize DNS, DHCP, and IP address management
  • Evaluate new technologies for integration into existing systems
  • Provide technical guidance to junior team members
  • Ensure system logs are collected and analyzed
  • Maintain network segmentation and traffic isolation
  • Support secure remote access solutions
  • Contribute to post-mortem analyses after outages
  • Enforce change management procedures for infrastructure updates

Compensation

Competitive salary based on experience and qualifications

Work Arrangement

Hybrid work model with flexible remote options

Team

Collaborative engineering environment focused on infrastructure reliability and performance

Why Join Us

  • Opportunity to work with cutting-edge technologies in a fast-paced environment
  • Exposure to high-performance systems handling real-time data

Technology Stack

  • Linux servers, Cisco and Juniper networking hardware
  • AWS, Docker, Prometheus, Grafana, Ansible, and ELK stack

Available for qualified candidates

About company
dxFeed
Leading provider of data services for the Capital Markets industry, sourcing and storing direct market data feeds from global exchanges and market participants, offering comprehensive data services including streaming, consolidation, storage, analytics, and index construction.
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Job Details
Category other
Posted 3 months ago