Senior Systems/Networks Engineer (Tier 3)

Join our innovative team at Devexperts as a Senior Systems/Networks Engineer (Tier 3). In this pivotal role, you will be responsible for designing, implementing, and maintaining complex network systems, ensuring optimal performance and reliability. You will collaborate closely with cross-functional teams to resolve technical issues and support our clients in…

Role Overview Mystic Invest Holding SA is seeking a Network and Systems Administrator to support and maintain the company’s IT infrastructure in Porto. This position focuses on keeping network systems reliable, secure, and running smoothly. What You Will Do Manage and maintain network and system infrastructure Configure network devices and servers as needed Monitor system performance and address issues promptly Troubleshoot network and system problems Work with other IT team members to develop and implement solutions Location This role is based in Porto.

Join our dynamic team at Eurofins as an IT Network Engineer, specializing in Fortinet products, where you will play a pivotal role in enhancing our network infrastructure. This hybrid position based in Braga offers the perfect blend of remote and in-office work.You will be responsible for designing, implementing, and managing network solutions that ensure optimal performance and security. We seek an enthusiastic professional who is eager to contribute to innovative projects and collaborate with cross-functional teams.

Join our dynamic team at Devoteam Cyber Trust as a Network Security Engineer. In this role, you will leverage your expertise in network security to safeguard our banking sector clients. As a vital member of our Trust & Cybersecurity department, you will be responsible for implementing robust security measures, conducting risk assessments, and ensuring compliance with industry standards.This position requires fluency in French, enabling you to effectively communicate with our diverse clientele.

Join inetum2 as an IT Resilience & Networking Project Manager and take the lead in driving innovative projects that enhance our IT infrastructure and resilience. You will be responsible for managing complex networking initiatives while ensuring seamless operations and optimal performance. Collaborate with cross-functional teams to implement solutions that meet client needs and align with business objectives.

Join Farfetch as a Senior Observability Engineer and play a key role in enhancing our platform's performance and reliability. You will be responsible for designing and implementing observability solutions that enable our teams to monitor, troubleshoot, and optimize our services effectively.Your expertise will help us to ensure a seamless user experience by developing robust monitoring frameworks and analytics solutions. Collaborate with cross-functional teams to identify and resolve issues quickly, ensuring our systems operate at peak performance.

Join our dynamic team at NielsenIQ as a Senior Antibot Engineer, where you will be at the forefront of developing cutting-edge solutions to enhance our digital security measures. In this role, you will leverage your expertise to analyze and combat bot-related threats, ensuring the integrity of our platforms. Work collaboratively with cross-functional teams to design and implement robust anti-bot frameworks that protect our data and user experience.

Join the innovative team at Farfetch as a Senior Platform Engineer. In this role, you will leverage your expertise to design, develop, and maintain robust platform solutions that enhance our e-commerce ecosystem. You will collaborate closely with cross-functional teams and contribute to the architecture of our systems, ensuring they are scalable, efficient, and secure.

Join Pixelmatters, a premier digital product studio. We are a collaborative team of strategists, designers, and engineers dedicated to crafting exceptional digital products.Our mission is to empower businesses by delivering high-quality digital solutions while nurturing meaningful relationships. We envision a future where outstanding user experiences are commonplace, inspiring both businesses and individuals to reach their fullest potential.We want you—a detail-oriented, inquisitive, and flexible Senior Staff Engineer—to architect and oversee the development of scalable, high-performance digital products across the entire technology stack. Your blend of profound technical knowledge and strong leadership will position you as a key technical resource across various teams, driving engineering excellence throughout our projects.Your responsibilities will center on designing and refining robust full-stack architectures utilizing NestJS and React, deployed on AWS infrastructure. You will be instrumental in shaping technical decisions, leading architectural discussions, and ensuring that our solutions are secure, scalable, and maintainable. Additionally, you will assist teams in overcoming complex technical challenges and establishing best practices within the engineering organization. Your involvement will span all phases of product development, from front-end architecture and API design to database modeling, infrastructure, and deployment workflows. While you will remain hands-on as necessary, your role will also emphasize providing technical guidance, mentoring fellow engineers, and ensuring long-term architectural integrity across projects.Daily tasks will include contributing to system architecture decisions, reviewing intricate technical implementations, guiding teams in designing scalable front-end and back-end solutions, enhancing CI/CD pipelines and infrastructure practices, mentoring engineers, and proactively identifying opportunities to boost performance, reliability, and security across our platform.

About Alongside Alongside partners with organizations to speed up digital transformation and build strong technology teams. Role Overview The Linux Systems Administrator manages, maintains, and tunes infrastructure with a focus on automation, performance, and reliability. This role is based in Porto, Porto District, Portugal. What You Will Do Administer and support Linux systems in production environments. Deploy and maintain services and applications. Automate regular tasks to improve operational efficiency. Monitor system health, troubleshoot issues, and handle incidents as they arise. Work closely with teams across the company to keep operations running smoothly. Take part in on-call rotations to provide system support.

Join Devoteam Cyber Trust, a key player in the banking sector, as a Network Administrator. In this role, you will be responsible for managing and optimizing our network infrastructure to ensure seamless connectivity and robust security. Your expertise will play a crucial role in safeguarding sensitive data and supporting our team in delivering exceptional IT services.

Unilabs stands as one of Europe's foremost diagnostic providers, delivering a comprehensive suite of services in laboratory medicine, radiology, pathology, genetics, and specialty testing. Each year, our dedicated team conducts over 235 million lab tests, 5.5 million imaging exams, and analyzes 7.3 million pathology slides, all supported by a workforce of more than 12,500 employees and a vast network of over 2,100 collection centers, 250 imaging centers, and 200 laboratories.We are seeking a Group Quality System Specialist to assist in the design, implementation, and ongoing enhancement of our global Quality Management System (QMS). In this pivotal role, you will contribute to the development of a standardized, digitized, and scalable QMS that enhances compliance, streamlines processes across various markets, and bolsters exceptional patient and customer outcomes.Your collaboration with market teams, IT departments, and quality leaders will be instrumental in driving process harmonization, refining our electronic Quality Management System (eQMS), and facilitating training and change management initiatives across the organization.Key Responsibilities:QMS Development & Maintenance: Aid in the creation and maintenance of Group QMS documentation, including policies, processes, SOPs, and templates. Participate in process mapping, analysis, and redesign to enhance efficiency and compliance. Ensure all documentation meets applicable standards such as ISO 15189, ISO 9001, and GxP where relevant.Process Harmonisation & Standardisation: Support markets in implementing Group QMS processes and minimizing unnecessary variations. Promote global adoption through effective training, communication, and ongoing support.eQMS Administration & Enhancement: Provide daily support to eQMS users, including troubleshooting, training, and managing user access. Assist with configuration changes, module deployment, system upgrades, and validation activities. Discover and implement automation opportunities to optimize digital workflows. Collaborate with IT, vendors, and market teams to ensure system stability and continuous improvement.Training, Communication & Change Management: Develop training materials, user guides, and learning content for QMS processes. Deliver training sessions to teams across markets and serve as a central contact point.Reporting & Quality Metrics: Create, track, and analyze KPIs and quality performance metrics. Prepare reports and presentations to highlight trends and areas for improvement for management review.

About ilof-intelligentlabonfiber ilof-intelligentlabonfiber is a deep-tech startup based in Porto, working to advance personalized medicine through innovative technology. Role Overview The team is looking for a Software Engineer with a focus on hardware integration and systems development. This position supports the development of new solutions at the intersection of software and hardware for personalized medicine.

About Us: Nitro Software Inc. is a leading global SaaS provider dedicated to creating seamless digital document workflows. We offer a comprehensive suite of solutions including PDF, eSigning, identity verification, and analytics, all backed by an exceptional customer success and change management team. With over 3 million licensed users and more than 13,000 business clients across 157 countries, we proudly serve 67% of the Fortune 500. Our Work Culture: At Nitro, we strive to cultivate an environment where talented individuals are empowered to thrive. We value collaboration, innovation, and engagement among our team members. Our work is guided by five core principles: One Team, One MissionWe are united in our commitment to Nitro's mission, fostering an environment where everyone feels like a valued contributor. Own ItWe embrace accountability for our actions and decisions, empowering each other to lead with confidence and a solutions-oriented mindset. Accountable to Our CustomersWe prioritize our customers and uphold our commitments, ensuring we deliver on our promises. Excellence in ExecutionOur passion and precision drive us to deliver innovative, high-quality results. Be Bold, Fail Fast, Learn FasterWe embrace learning through growth, encouraging experimentation and courageous questioning as we strive for continuous improvement. These guiding values shape our work approach and encourage everyone to contribute their best. Why Join Nitro Engineering: Engineering plays a pivotal role at Nitro, shaping the products and services at the core of our business and helping us realize our vision of smarter documents in the future. Our engineering team is diverse, passionate, and dedicated to building the right solutions the right way.

Position OverviewJoin our innovative team at condukt as a Senior Backend Engineer, where you'll play a pivotal role in shaping the design and architecture of our core platform. Collaborating closely with the founding team, you will help us deliver exceptional value to our clients.As part of an early-stage startup, we take pride in our hands-on approach to building solutions from the ground up. You will have the opportunity to frequently ship code, iterate rapidly based on user feedback, and uphold the stringent security, performance, and uptime standards our clients expect.We are passionate about building, scaling, and growing. Our leadership team boasts a proven track record in product development, team scaling, and driving growth. Our talented engineers join us from top tech companies and unicorns.If you are enthusiastic about transforming complex challenges into simple, elegant solutions, this is the perfect role for you. You will have a significant opportunity to influence our engineering culture from the ground up.

Join Sword Health as a Senior iOS Engineer and be a part of our mission to revolutionize healthcare. Our AI Care platform is transforming the healthcare landscape, making quality care accessible anytime and anywhere. As a key member of our technology team, you will leverage your expertise in iOS development to enhance our innovative solutions across various health domains, including pain management, women's health, movement health, and mental health. Help us empower over 700,000 members globally with your skills and contribute to significant cost savings in healthcare.

We are seeking a dynamic and detail-oriented Corporate IT Systems Administrator to join our growing team at Farfetch. In this role, you will be responsible for managing and optimizing our corporate IT systems, ensuring seamless operations and high availability. Your expertise will help support our employees in achieving their goals effectively.

Role Overview ilof-intelligentlabonfiber is looking for an Embedded Systems Engineer to help advance personalized medicine. This role focuses on building hardware-integrated software that supports both patient care and medical research. The team includes engineers and scientists who collaborate closely to create new solutions for the healthcare field.

Join our innovative tech team at Farfetch as a Senior Security Engineer. In this pivotal role, you will safeguard our digital assets and infrastructure while implementing advanced security protocols to protect customer data. Collaborate with cross-functional teams to build resilient security architectures and respond to potential threats swiftly.We are looking for a proactive and experienced individual who is passionate about security and technology. You will play a crucial role in developing and maintaining security frameworks that align with our business objectives.

Position OverviewJoin Condukt as a Senior Platform Engineer and take charge of evolving the infrastructure that underpins our distributed systems. You will play a pivotal role at the intersection of platform engineering, reliability, and developer experience, enabling our product and AI teams to deliver quickly, safely, and at scale.As a fast-growing company in its early stages, we seek engineers who embrace ownership, think systemically, and thrive in uncertain environments. In this position, you will design and uphold the foundational systems for our engineers while ensuring reliability, observability, and incident response across a complex, real-time platform serving regulated financial institutions.If you thrive on tackling challenging infrastructure problems, prioritize reliability and operational excellence, and aspire to influence both our platform and company direction, this role is perfect for you.Key Responsibilities:Design, implement, and sustain internal developer platforms that facilitate self-service deployments, testing, and observability.Own and enhance CI/CD pipelines for application and AI workloads, minimizing friction and bolstering deployment safety.Define, monitor, and continuously refine SLIs and SLOs across distributed systems.Participate in on-call rotations, lead incident response, and conduct blameless post-mortems to foster long-term reliability improvements.Proactively identify risks related to reliability, scalability, and performance, leading initiatives to bolster system resilience.Implement automation to reduce operational toil and enhance mean time to recovery.Manage and optimize Condukt’s cloud infrastructure on GCP (GKE, Cloud Run, Pub/Sub, BigQuery, etc.).Maintain and fine-tune Elasticsearch clusters that support search and indexing workloads.Configure and optimize Cloudflare for enhanced edge performance, security, and reliability.Drive cost efficiency in cloud usage without sacrificing performance or reliability.Collaborate closely with Product, Engineering, and AI teams to address platform needs and roadmap decisions.