People Operations Coordinator

Soluna is on a mission to solve one of renewable energy’s biggest challenges: wasted power. Our data centers convert excess solar, hydro, and wind energy into productive computational work, such as Bitcoin mining, artificial intelligence, and machine learning. By co-locating with renewable power sources, we bring demand directly to the source, helping power plants increase revenue while contributing more megawatts to the grid.

• Track timesheet submissions and process payroll each cycle in coordination with Finance; ensure submissions are accurate and on time.
• Maintain employee records in Rippling; process status changes, leave tracking, benefits enrollments, and off-cycle adjustments
• Answer employee questions about payroll and benefits; escalate issues as needed.
• Maintain state employment tax relationships: help process registrations, tax account maintenance, and agency correspondence across all states where Soluna employs
• Serve as the go-to Rippling resource: handle day-to-day system questions, help employees use self-service features, and recommend system usage enhancements

• Support recruiting activity across all active roles: scheduling interviews, managing candidate communications, and maintaining ATS (Rippling) data integrity
• Prepare interview materials, scorecards, and debrief logistics; keep the process moving efficiently for candidates and interviewers alike
• Track pipeline metrics and surface bottlenecks to the CPO

• Coordinate new hire onboarding: collect documentation, draft offer letters, run background checks, and work with IT on equipment and systems access.
• Coordinate offboarding: departure paperwork, systems removal, equipment return, and final pay coordination.
• Be a first point of contact for employee questions on policies, benefits, and HR processes; know when to resolve and when to escalate.

• Partner with Marketing to represent Soluna at career fairs, university events, and community hiring initiatives; build relationships that strengthen our local recruiting pipeline
• Support relationships with regional colleges, workforce development organizations, and community partners

• Assist in the planning and execution of company offsites, all-hands events, and team gatherings: assist with venue sourcing, travel coordination, logistics, and on-site execution
• Handle travel arrangements and logistics for candidates and new hires relocating to or visiting Soluna sites

• Maintain the People Operations master calendar: track new hire start dates, onboarding milestones, offboarding timelines, benefits open enrollment windows, annual compliance training, performance review cycles and 30-60-90 check-ins
• Flag upcoming milestones to the CPO and relevant stakeholders in advance

• 2-4 years of experience in People Operations, HR coordination, or a related role; startup or high-growth environment preferred
• Hands-on payroll experience required; familiarity with Rippling or similar PEO HRIS/ATS platforms strongly preferred
• Exceptional organizational skills and attention to detail — you catch things before they become problems 
• Strong written and verbal communication skills; you can represent Soluna professionally in any setting
• Customer Service sensibilities, with problem solving support skills
• A growth mindset. Genuine curiosity about people and a desire to build programs, not just maintain them
• Ability to hold confidentiality with discretion and professionalism
• Comfort working across a small, fast-moving team where priorities shift and initiative is rewarded
• Bachelor's degree or equivalent experience in HR, Business, Communications, or a related field
• Ability and willingness to travel to Soluna Data Center sites across the state of Texas