Senior Engineer, Linux System/DevOps (Remote/Hybrid in Greece)

ABOUT POWER FACTORS

Power Factors is a software and solutions provider leading the next generation of clean energy with Unity, one of the most extensive and widely deployed renewable energy management suites (REMS) in the market. With over 300 GW of wind, solar, and energy storage assets managed worldwide across more than 600 customers and 18,000 sites, Power Factors manages 25% of the world’s renewable energy data.* 

Power Factors’ Unity REMS supports the entire energy value chain, from monitoring and controls to market analytics. The company’s suite of open, data-driven applications empowers renewable energy stakeholders to collaborate, automate critical workflows, and make more informed decisions to maximize asset returns. Energy stakeholders receive end-to-end support, including solutions for SCADA & PPC, centralized monitoring, performance management, commercial asset management, and field service management. 

With deep domain expertise, AI-powered insights are delivered at scale so businesses can optimize assets, unlock growth, and make smarter decisions as the world rapidly transitions to clean energy. Power Factors fights climate change with code. 

*Outside China and India

ABOUT THE ROLE
Our team ensures the reliability and performance of internal and external systems while enabling rapid improvement. We use open source, SaaS, and internally developed tools to manage the service lifecycle — deploy, configure, upgrade, monitor, and optimize.

WHAT YOU WILL BE DOING

• Maintain live services by monitoring performance indicators (availability, throughput, latency)
• Advocate for changes to improve reliability, performance, and serviceability
• Collaborate with development teams to design and deploy new services (containers, packages, cloud, on-prem)
• Work with technologies like Cassandra, PostgreSQL, Mosquitto, Redis, Ansible, Kafka, MQTT, LAMP, Git, GCE, GKE, AWS, Kubernetes, RHEL
• Develop production flows and continuous delivery pipelines

WHAT YOU WILL NEED TO BE SUCCESSFUL

• 7+ years Linux experience (CLI, scripting, tools, services)
• Strong with RHEL variants (CentOS, ALMA, Rocky)
• Advanced IP networking skills (routers, switches, DHCP, DNS, routing, NAT, VPN, VLAN, proxies)
• Experience with bare metal servers (HPE, iLO, IPMI)
• Ansible configuration management
• Storage tech: RAID, LVM, SAN
• Strong scripting (Bash, Python)
• Degree in Computer Science, Engineering, or similar
• 3+ years Docker & Kubernetes operations
• Virtualization (KVM, QEMU, libVirt)
• Monitoring tools (Zabbix, Prometheus, Grafana)
• IT security standards (ISO27001), authentication & access (LDAP, PKI)
• DB administration (Postgres, Cassandra, Redis)
• Application deployment in Java, Go, or Python
• Team player, self-directed

NICE TO HAVE

• Certifications: LFCS, LFCE, RHCSA, RHCE
• SRE practices
• Remote work experience
• Cloud (GCP, AWS)
• Strong documentation habits
• Troubleshooting to root cause
• Preference for standardization over quick fixes
• Open to new tools and steep learning curves

LIFE @ POWER FACTORS

We are an agile software development company – big enough to make an impact, but small enough to move quickly and execute in a growing industry. We are a team of bold and ingenious talents driven by results. We are passionate about making the world a better place. We seek fierce and humble people to help us achieve our ambitious plan.

WHY JOIN US

By joining the Power Factors team, you’ll be part of a dynamic group of innovative and driven individuals dedicated to making a positive impact. Every day, your work will directly contribute to advancing clean energy solutions and supporting global sustainability initiatives. Our culture runs deep and shows up in how we work together - committed, conscientious and collaborative. With many opportunities for professional growth, Power Factors is here to support your development as we lead the charge in transforming the energy industry.

WE ARE AN EQUAL OPPORTUNITY EMPLOYER

Power Factors is an Equal Opportunity Employer committed to engaging a diverse workforce and sustaining an inclusive culture. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status