Department of Energy, Cybersecurity Intelligence and Security Support Services (CIS3) Infrastructure Engineering Peraton United States, Virginia, Manassas Sep 09, 2026 Department of Energy, Cybersecurity Intelligence and Security Support Services (CIS3) Infrastructure Engineering

Job Locations US-VA-Manassas Requisition

ID 2026-170375

Position Category Information Technology Clearance Top Secret Responsibilities Peraton is seeking experienced Infrastructure Engineers to support anticipated opportunities on the Department of Energy, Cybersecurity Intelligence and Security Support Services (CIS3) program. We are building a pipeline of highly qualified technical professionals with experience supporting complex, secure, enterprise IT environments. Candidates may be considered for current and future openings based on customer authorization, program requirements, technical qualifications, and clearance eligibility. These opportunities are expected to support the ramp up, build out, and ongoing operations of a new data center environment, including enterprise infrastructure, network, systems, security, storage, and other related technologies. Positions are anticipated to be based primarily in Northern Virginia, including Manassas, VA. Day to

Day Roles and Responsibilities:

Depending on the assigned functional area, responsibilities may include designing, implementing, administering, maintaining, troubleshooting, securing, and optimizing enterprise infrastructure technologies. Engineers may support highly available and mission critical environments while working closely with other infrastructure, cybersecurity, operations, and engineering teams. We are seeking candidates with experience in one or more of the following functional areas: Storage and Backup Engineering with experience supporting technologies such as Nutanix and Cohesity

Senior Network Engineering with experience supporting enterprise network infrastructure, routing, switching, network troubleshooting, and related technologies

Linux Engineering with experience administering, maintaining, securing, and troubleshooting Linux based systems

Windows, Active Directory, and Virtualization Engineering with experience supporting Windows Server environments, Active Directory, virtualization platforms, and enterprise infrastructure services

F5 Load Balancer Engineering with experience configuring, administering, troubleshooting, and maintaining F5 technologies

Exchange Engineering with experience supporting Microsoft Exchange and enterprise messaging environments

SolarWinds Engineering with experience administering, configuring, monitoring, and troubleshooting SolarWinds platforms and related infrastructure monitoring tools

Palo Alto Firewall Engineering with experience supporting Palo Alto Networks firewall technologies, security policies, network security, and troubleshooting

Splunk Engineering with experience supporting Splunk platforms, including data ingestion, searches, dashboards, monitoring, troubleshooting, and platform administration

ACAS Engineering with experience supporting Assured Compliance Assessment Solution technologies, vulnerability scanning, configuration, reporting, and remediation efforts

Trellix Engineering with experience supporting Trellix security technologies, endpoint security, threat detection, security administration, and related cybersecurity capabilities

Qualifications Basic Qualifications:

Bachelors degree and 8 years of experience or a Masters degree and 6 years of experience or High School diploma and 12 years of experience.

Must be a U.S. Citizen

Active DOE Q or DOD Top Secret. Candidates must be eligible to obtain and maintain a

DOE Q/SCI

clearance.

Demonstrated experience supporting one or more of the functional areas listed above

Experience supporting complex enterprise, government, or similarly large scale IT environments

Ability to troubleshoot complex technical issues and work effectively with cross functional technical teams

Strong written and verbal communication skills

Ability to work onsite as required by the customer and program

Preferred Qualifications:

• Active DOE Q/SCI or TS/SCI clearance preferred
• Experience supporting Department of Energy environments
• Experience supporting highly secure, mission critical, or classified enterprise infrastructure environments
• Experience working in large scale data center, cloud, hybrid cloud, or enterprise IT environments
• Relevant technical certifications associated with the candidate's functional area
• Experience with automation, scripting, infrastructure monitoring, cybersecurity tools, or enterprise operations

Experience working in environments with strict security, compliance, availability, and operational requirements Peraton Overview Peraton is a next-generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the world's leading mission capability integrator and transformative enterprise IT provider, we deliver trusted, highly differentiated solutions and technologies to protect our nation and allies. Peraton operates at the critical nexus between traditional and nontraditional threats across all domains: land, sea, space, air, and cyberspace. The company serves as a valued partner to essential government agencies and supports every branch of the U.S. armed forces. Each day, our employees do the can't be done by solving the most daunting challenges facing our customers. Visit peraton.com to learn how we're keeping people around the world safe and secure. Target Salary Range $135,000 - $216,000. This represents the typical salary range for this position. Salary is determined by various factors, including but not limited to, the scope and responsibilities of the position, the individual's experience, education, knowledge, skills, and competencies, as well as geographic location and business and contract considerations. Depending on the position, employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay.

EEO EEO:

Equal opportunity employer, including disability and protected veterans, or other characteristics protected by law.