Senior Systems Engineer

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Job Description:

About Archaea

bp is committed to investing in lower carbon energy so we can meet our ambition to reach net zero by 2050. And while we’re still mostly in oil and gas today, bioenergy is one of our five transition growth engines and a key focus to help us support the global energy transition.

Archaea Energy, a bp company, is a leader in landfill gas to energy and the largest renewable natural gas (RNG) producer in the US. With big ambitions, we specialize in the development, construction and operation of RNG, landfill-gas-to-electric and dairy digester facilities. The team operates around 50 sites in 32 states with a robust development pipeline.

About the role

The Senior Systems Engineer is responsible for architecting, managing, and continuously improving enterprise infrastructure across on-premises and cloud environments. Operating in a hybrid environment (~80% on-prem, 20% Azure), this role leads the design and implementation of complex systems projects, mentors junior staff, enforces best practices, and partners with Security and IT leadership on compliance and strategic planning. The Senior Systems Engineer balances hands-on engineering with leadership responsibilities and helps steer the technical direction of infrastructure.

Key accountabilities

• Architect and implement advanced infrastructure solutions (Windows Server, virtualization, Azure, Microsoft 365).
• Lead and enhance monitoring, alerting, and performance tuning practices.
• Administer and secure Active Directory and Azure AD at an expert level.
• Partner with Security to enforce patching, hardening, and compliance standards.
• Troubleshoot and resolve the most complex incidents (Tier-3).
• Drive automation and Infrastructure-as-Code initiatives.
• Oversee enterprise database systems (SQL Server, MySQL) for availability and performance.
• Plan and oversee enterprise backup, recovery, and disaster recovery strategies.
• Collaborate with network engineers to design supporting network services (DNS, DHCP, VPN).
• Lead major infrastructure projects and upgrades, coordinating cross-functional teams.
• Mentor junior and mid-level engineers, reviewing designs and delivering training.
• Collaborate with IT architects on infrastructure roadmaps and emerging technologies.
• Maintain documentation and enforce structured change management processes.
• Serve as escalation point during after-hours incidents.

Essential education

• Bachelor’s degree in Computer Science, IT, or related field, or equivalent combination of education and 8+ years of experience with enterprise environments.

Essential experience

• Expert-level knowledge of Windows Server, Azure services, virtualization, and Microsoft 365.
• Strong proficiency in Active Directory/Azure AD, identity federation, and conditional access.
• Advanced scripting/automation and Infrastructure-as-Code (PowerShell, Terraform, etc.).
• Experience leading projects and collaborating cross-functionally.
• Demonstrated mentorship and leadership skills.
• Relevant certifications such as Azure Solutions Architect Expert or Microsoft 365 Enterprise Administrator highly valued.
• Willingness to travel and participate in after-hours support as needed.
• Eagerness to contribute to a positive, supportive, and inclusive workplace culture.

Why join us?

Delivering a better and more balanced energy system requires many different approaches and solutions. All of us have a part to play. We aim to support our people to learn and grow in an inclusive environment in which everyone is respected and treated fairly. So, if you have the right skills, commitment and courage to help us invest in today’s energy system and build out tomorrow’s, apply today!

How much do we pay? $111,000 - $158,000. *Note that the pay range listed for this position is a genuinely expected and reasonable estimate of the range of possible base compensation at the time of posting.

This position offers paid vacation depending on your years of relevant industry experience and will range from 120 – 240 hours of vacation per year for full times employees (60 - 240 hours of vacation per year for part time employees). You will also be eligible for 9 paid holidays per year and 2 personal choice holidays. You may learn more about how we calculate paid vacation and view our generous vacation and holiday schedules at benefits@bp. Bp has a parental leave policy as well, which offers up to 8 weeks’ paid leave for the birth o