Senior Systems Engineer

Company Description

Apex Clean Energy was founded with a singular focus: to accelerate the shift to clean energy. Through origination, construction, and operation of utility-scale wind, solar, and storage facilities, distributed energy resources, and green fuel technologies, Apex is expanding the renewable frontier across North America. Our mission-driven team of more than 400 professionals uses a data-focused approach and an unrivaled portfolio of projects to create solutions for the world’s most innovative and forward-thinking customers. For more information about how Apex is building the energy company of the future, visit apexcleanenergy.com.

Apex strives to excel in every phase of project realization, from origination and financing to construction and asset management. Our mission-driven team seeks determined, resolute individuals who strive to innovate and go above the call of duty, and who will relentlessly do their part to help accelerate the shift to America’s clean energy future. 

Job Description

The Senior Systems Engineer is a highly skilled technical leader who lives and breathes digital infrastructure, networking, security, automation, and advanced problem-solving. This role is a cornerstone of our technical operations, responsible for designing, building, and maintaining resilient end-to-end systems across on-premises, cloud, and hybrid environments. The Senior Systems Engineer is equally comfortable architecting new solutions, diving into complex troubleshooting, and ensuring our infrastructure is secure, scalable, and future-ready.

Beyond technical expertise, this position plays a pivotal role in mentoring and guiding junior team members, setting operational standards, and driving continuous improvement in how we deliver technology services. The ideal candidate blends hands-on technical mastery with strategic foresight, anticipating challenges, identifying opportunities for innovation, and executing solutions that align with business goals.

Hours/Type:  Full Time, Exempt

Department:  Integrated Technology Solutions

Travel:  10%

Qualifications

Primary Responsibilities

• Systems Architecture & Administration
  • Design, deploy, and maintain scalable, heterogenous IT infrastructure across on-prem, distant remote-site, and cloud environments
  • Build and manage physical and virtual servers, virtualization platforms (VMware, XCP-ng), and storage systems
  • Administer Microsoft-based systems (Active Directory, Group Policy, etc.)

• Networking
  • Configure and manage switches, firewalls, VPNs, and wireless infrastructure
  • Maintain network security, performance, and reliability across multiple sites
  • Troubleshoot complex networking issues at L2/L3 levels

• Cloud & Automation
  • Support and optimize hybrid cloud environments (esp. Azure)
  • Develop scripts and automation for deployment, monitoring, and incident response

• Security & Compliance
  • Implement and manage endpoint protection, patching, and vulnerability management
  • Participate in cybersecurity initiatives, risk assessments, and incident response
  • Maintain compliance with company and regulatory standards (esp. NERC CIP)

• Support & Mentorship
  • Serve as escalation point for IT/OT/SCADA support staff
  • Mentor junior team members and contribute to knowledge sharing/documentation
  • Collaborate cross-functionally with multiple departments

To succeed as a Senior Systems Engineer at Apex Clean Energy, you’ll need to excel within the following criteria:

• Required Qualifications:
  • 7+ years of experience in a sysadmin, infrastructure, or network engineering role
  • Deep understanding of Windows Server environments, Active Directory, and enterprise networking
  • Experience with virtualization (VMware, XCP-ng), backup/recovery solutions, and storage systems
  • Proficiency in scripting and automation
  • Familiarity with cybersecurity principles and best practices
  • Comfortable supporting mixed environments including Windows, Linux, and cloud platforms
  • Strong troubleshooting skills and a proactive mindset
  • The ability to rapidly understand a very diverse set of sites and systems
  • Have a solid commitment to getting the job done when you are on the critical path
  • Be able to flex and adapt to rapidly changing situations

• Preferred Qualifications:
  • Certifications such as:
    • Microsoft Certified: Azure Administrator Associate or similar
    • Cisco CCNA/CCNP<