Senior Systems/Networks Engineer (Tier 3)

dxFeed; Porto; Híbrido; EUR 60 000 - 90 000; Tempo integral

Vantagens oferecidas por esta oferta de emprego

Hybrid/remote work option

Wellness days

Resumo da oferta

dxFeed, a subsidiary of Devexperts, seeks an experienced Senior Systems/Networks Engineer to join Porto team. You will oversee Unix/Linux subsystems, manage cloud environments (AWS, GCP), and support developers through SRE/DevOps practices.

You will participate in on-call rotations, implement monitoring, backup, and automation, and collaborate with network and security teams to ensure reliable, compliant infrastructure in a hybrid/remote-friendly environment.

Qualificações

• 3+ years of UNIX/Linux administration and/or networking experience.
• Experience with Amazon Compute Cloud (AWS).
• Strong knowledge of TCP/IP and ISO/OSI model.
• Solid networking experience: routing, switching, IP/TCP/UDP, BGP, VPNs, DNS; Cisco IOS knowledge.
• Multicast knowledge (RP, PIM, IGMP).
• CI/CD and DevOps/SRE exposure; automation focus.

Responsabilidades

• Oversee and manage UNIX/Linux subsystems and network components.
• Maintain cloud environments (AWS, GCP).
• Support developers; participate in SRE/DevOps activities.
• Collaborate with network and security teams to align infrastructure policies.
• Implement monitoring, backups, recovery, and automation solutions.
• Design, install, and configure managed installations, cloud clusters/networks.
• Automate cloud and hybrid deployments.
• Identify and troubleshoot production/testing issues; monitor health.
• Participate in on-call rotations for 24x7 coverage.
• Mentor junior engineers; contribute to documentation and best practices.

Conhecimentos

UNIX/Linux

AWS

TCP/IP

Networking

IP Multicast

CI/CD

DevOps/SRE

Shell scripting

High availability

English

Ferramentas

GIT

Ansible

nginx

haproxy

JIRA/Confluence

Descrição da oferta de emprego

dxFeed is a subsidiary of Devexperts, a globally recognized fintech leader in capital markets technology. As an integral part of this established financial technology provider, dxFeed serves buy-side and sell-side firms worldwide, equipping traders, analysts, quants, and portfolio managers with accurate, real-time market data and insights to power smarter decision-making.

Job Description

We are looking for an experienced Senior Systems/Networks Engineer to join the team.

We expect the Senior Systems/Networks Engineer to:

• Oversee and manage critical server and Unix OS subsystems, ensuring optimal configuration and performance,
• Maintain cloud environments (AWS, GCP),
• Be active in assisting developers, participate in SRE/DevOps activities,
• Collaborate with network and security teams in aligning infrastructure with organizational policies and requirements,
• Implement and maintain system monitoring, backup, recovery, and automation solutions,
• Architect, design, install and configure managed installations, cloud-based clusters/networks.
• Automate cloud and hybrid (on-prem/cloud) platform and systems deployment,
• Be proactive in identifying and troubleshooting problems in testing and production environments and monitoring network/systems health and status.
• Solve critical problems in network environments (multicast routing/latency issues/packet loss/etc) and in Systems, platforms, and data such as: unavailability/ outage/ inconsistency/ misconfiguration/ data delays/ etc),
• Be engaged in on-call rotation to ensure 24x7x365 coverage for critical core and customer issues,
• Provide hands‑on guidance and mentorship to junior systems engineers,
• Contribute to documentation, best practices, and process improvements within the project
• Communicate with clients and partner companies’ engineers on technical subjects.

Qualifications

Must-have skills:

• 3+ years of experience in UNIX/Linux administration and/or Networking,
• Experience in Amazon Compute Cloud,
• In-depth knowledge of TCP/IP and ISO/OSI stack,
• Solid experience with networking (routing, switching, IP, TCP, UDP, BGP, EIGRP, VPN, DNS) and Cisco IOS,
• Knowledge of IP Multicast (RP, PIM, IGMP),
• Technical knowledge to ensure safe, effective, and efficient changes to the network and systems infrastructure
• CI/CD and DevOps/SRE activities experience,
• Proficiency in shell script languages: awk, perl, etc
• Preferred experience in cluster technologies and high availability systems,
• Experience in solving complex problems and the ability to handle multiple tasks and projects simultaneously,
• Strong analysis, investigation, and troubleshooting skills,
• Good written and spoken English language.

Nice-to-have skills:

• Understanding high-performance, high-throughput, and low-latency network technologies,
• Knowledge of Java programming language,
• Experience with CDN architectures,
• Experience with WAN technologies,
• Experience with Trading/Exchange/Risk management software usage and management,
• Experience in working with GIT, Ansible, nginx, haproxy, and similar technologies,
• Experience with Atlassian software (JIRA, Confluence, etc).

Additional Information

dxFeed employees create the art of FinTech in comfortable working spaces located in modern business centers around the world. Join our team in Porto and enjoy:

Work Regime Flexibility benefits:

• Possibility of hybrid/remote work mode
• Work From Anywhere Program

Health and recreation benefits:

• Fully paid additional wellness days (3 unwell days per year)
• Medical insurance for the employees and children
• Reimbursement of fitness
• Flexpay system

Facility benefits:

• Modern office with new equipment
• Free drinks and snacks

Community benefits:

• Teambuilding activities
• Free admission to corporate external events
• Possibility of joining conferences and professional fairs
• Local language courses for foreign employees
• Unlimited access to self-learning platforms
• Certification opportunitiesParental bonus
• Pension plan
• Referral bonus
• Blood donation paid leave

*Occasional business trips to the US/EU/UK (having a valid passport is a heavy plus)