Senior Systems/Networks Engineer (Tier 3)

Devexperts LLC; Porto; Presencial; EUR 70 000 - 110 000; Tempo integral

Vantagens oferecidas por esta oferta de emprego

Hybrid/Remote work options

Work From Anywhere program

Medical insurance

Resumo da oferta

dxFeed, a subsidiary of Devexperts, seeks a Senior Systems/Networks Engineer to lead server and network operations in Porto. You will drive cloud infrastructure, collaborate with security teams, and mentor junior engineers while ensuring 24x7 availability for critical systems.

You will participate in on-call rotations, optimize performance, and implement automated monitoring, backups, and deployments across hybrid environments. Strong Unix, networking, and English communication are essential.

Qualificações

• 3+ years of UNIX/Linux administration and/or Networking experience.
• Experience with Amazon Compute Cloud (AWS) and/or GCP.
• Strong knowledge of TCP/IP and ISO/OSI stack.
• Solid networking experience (routing, switching, IP, TCP, UDP, BGP, EIGRP, VPN, DNS) and Cisco IOS.
• Knowledge of IP Multicast (RP, PIM, IGMP).
• CI/CD and DevOps/SRE activities experience.
• Proficiency in shell scripting languages: awk, perl, etc.
• Experience with cluster technologies and high availability systems (preferred).
• Strong analytical, investigation, and troubleshooting skills in complex environments.
• Good written and spoken English.

Responsabilidades

• Oversee and manage critical server and Unix OS subsystems with optimal configuration and performance.
• Maintain cloud environments (AWS, GCP).
• Provide assistance for developers and participate in SRE/DevOps activities.
• Collaborate with network and security teams to align infrastructure with policies.
• Implement and maintain system monitoring, backup, recovery, and automation solutions.
• Architect, design, install and configure managed installations and cloud clusters/networks.
• Automate cloud and hybrid deployments including load-based auto-scaling.
• Identify and troubleshoot issues in testing and production, report bugs and monitor health.
• Resolve problems in network and systems (latency, multicast, outages, misconfigurations).
• Diagnose complex issues in the network stack including packet capture and OS analysis.
• Participate in on-call rotation for 24x7x365 coverage of core and customer issues.
• Mentor junior engineers and contribute to documentation and best practices.
• Communicate with clients and partner engineers on technical topics.

Conhecimentos

UNIX/Linux administration

Networking

TCP/IP/OSI stack

DevOps/SRE

English communication

On-call support

Scripting (shell/awk/perl)

Cloud fundamentals

Performance monitoring

System architecture

Ferramentas

AWS

GCP

Nginx

HAProxy

Ansible

Git

Cisco IOS

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 experiencedSenior Systems/Networks Engineerto 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 on the assistance for 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, including load-based auto-scaling approaches,
• Be proactive in identifying and troubleshooting problems in testing and production environments(generating solutions and bug reports when required) and monitoring network/systems health and status, and continuously making improvements,
• 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.),
• Diagnose complex issues within network stack, including low-level packet capture and OS system analysis,
• Be engaged into on-call rotation to ensure 24x7x365 coverage for critical core and customer issues,
• Provide hands-on guidance and mentorship to junior systems engineers, ensuring quality and timelines,
• Contribute to documentation, best practices, and process improvements within the project or business unit,
• Communicate with clients and partner companies' engineers on technical subjects.

Qualifications

Must-have skills:

• 3+ years of experience in UNIX/Linux administrationand/orNetworking,
• 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
• Occasional business trips to the US/EU/UK (having a valid passport is a heavyplus)

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
• PlayStation, table football, and musical instruments in the office
• Meals in the office
• Free drinks and snacks

Community benefits:

• Teambuilding activities
• Corporate parties
• Football club
• Music club
• Speakers' club
• 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 opportunities
• Parental bonus
• Pension plan
• Referral bonus
• Blood donation paid leave

Life in Devexperts

We will only achieve our mission if we live our culture. We start with becoming learners in all things-having a growth mindset. Then we apply that mindset to learning about our customers, being diverse and inclusive, working together as one, and-ultimately-making a difference in the world.