Systems Engineer (Linux & Windows)

Jobgether SRL; Portugal; Remote; EUR 55,000 - 75,000; Full time

Benefits offered by this job

Fully remote

Flexible hours

Private health insurance

Professional training & certifications

Office option

Team events

Job summary

Lever, Inc. is seeking an experienced Systems Engineer to join a cloud adoption and IT operations team in a fully remote role. You will provide first-level operational support, monitor infrastructure alerts, and troubleshoot Linux and Windows systems to ensure service stability and performance.

You will work across web servers, load balancers, TLS certificates, and databases (MariaDB, SQL Server, PostgreSQL), optimize configurations, document processes, and share knowledge with colleagues.

Qualifications

• Five+ years of relevant professional IT operations experience.
• Strong hands-on Linux skills including kernel tuning and filesystem management.
• Solid Windows knowledge especially Active Directory and system configuration.
• Experience with web servers and load-balancers (Traefik, NGINX, Envoy, Apache).
• Knowledge of TLS termination and database environments (MariaDB, SQL Server, PostgreSQL).
• Ability to troubleshoot infrastructure issues systematically and work independently.
• Structured, reliable, proactive problem-solving and documentation.

Responsibilities

• Serve as first point of contact for requests and alerts within a first-level ops team.
• Configure, maintain, optimize Linux/Windows systems including AD and kernel tuning.
• Operate and maintain web servers and load balancers (Traefik, NGINX, Envoy, Apache).
• Manage TLS termination and support MariaDB, SQL Server, and PostgreSQL.
• Monitor performance, investigate issues, and contribute to reliability and stability.
• Identify improvements to configurations, architectures, and procedures.
• Collaborate with teammates and onboard new members; share knowledge.
• Maintain accurate documentation and daily work logs.
• Support rotating shifts (nights, weekends, holidays) for continuity.

Skills

Linux

Windows

Web servers

Load balancing

MariaDB

MS SQL Server

PostgreSQL

TLS

Active Directory

Documentation

English

Spanish

Tools

Traefik

NGINX

Envoy

Apache

Job description

We are looking for an experienced Systems Engineer to join a cloud adoption and IT operations team responsible for maintaining secure, reliable, and high-performing technology environments. In this fully remote role, you will provide first-level operational support, monitor infrastructure alerts, and troubleshoot Linux and Windows systems. You will work across web servers, load balancers, TLS certificates, and database environments to ensure service stability and performance. Beyond daily operations, you will help optimize configurations, improve technical processes, and share your expertise with colleagues. The position offers a collaborative environment where continuous learning, knowledge sharing, and professional development are encouraged. Flexibility, structured work practices, and a commitment to reliable service delivery are essential, including readiness to work rotating shifts.

Accountabilities

• Serve as a first point of contact for customer requests and monitoring alerts within a first-level support and operations team, analyzing and resolving incidents promptly and reliably.
• Configure, maintain, optimize, and troubleshoot Linux and Windows systems, including kernel tuning, filesystem management, system configuration, and Active Directory.
• Operate and maintain web servers and load-balancing solutions, including Traefik, NGINX, Envoy, and Apache.
• Manage TLS certificate termination and support database environments using MariaDB, Microsoft SQL Server, or PostgreSQL.
• Monitor system performance, investigate operational issues, and contribute to service reliability and infrastructure stability.
• Identify and recommend improvements to system configurations, technical architectures, and operational procedures.
• Collaborate with colleagues to improve day-to-day operations, share technical knowledge, and support continuous service improvement.
• Help train and onboard new team members, sharing practical expertise and promoting effective working practices.
• Maintain accurate technical documentation and record working hours daily.
• Participate in rotating shifts, including nights, weekends, and public holidays, to support operational continuity.
• Take on additional technical responsibilities when needed to support team objectives and broaden professional expertise.

Requirements

• At least five years of relevant professional experience in IT operations, excluding education and internships.
• Strong hands-on Linux expertise, particularly in kernel tuning, filesystem management, and system configuration.
• Solid knowledge of Windows environments, especially Active Directory and Windows system configuration.
• Practical experience with web servers such as Traefik, NGINX, Envoy, or Apache, as well as load-balancing technologies.
• Good working knowledge of at least one of the following database systems: MariaDB, Microsoft SQL Server, or PostgreSQL.
• Basic understanding of TLS certificate termination and related security concepts.
• Ability to troubleshoot infrastructure issues systematically and work independently in an operational environment.
• A structured, reliable, and proactive approach to technical problem-solving and documentation.
• Strong communication and collaboration skills, with an interest in sharing knowledge and supporting colleagues.
• Fluency in both English and Spanish.
• Willingness to work rotating shifts, including nights, weekends, and public holidays.
• Knowledge of German is an additional advantage.

Benefits

• Fully remote working arrangement.
• Flexible working hours, with the ability to balance additional hours and personal commitments within the organization's scheduling framework.
• Choice of working from home or from an office.
• Private health insurance.
• Flexible compensation benefits.
• Access to professional training programs, English classes, and industry certifications.
• Opportunities for continuous learning and professional development.
• Collaborative team environment with opportunities to share knowledge and learn from experienced colleagues.
• Internal events, outdoor activities, team-building days, and padel matches.
• Office amenities, including coffee, refreshments, and recreational facilities.
• Holiday flexibility and support for maintaining a healthy work-life balance.

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