Cyber Infrastructure Engineer

Job DescriptionCOLSA is seeking an experienced and proactive Infrastructure Support Engineer to provide enterprise-level support across system administration, virtualization, network operations, and cybersecurity compliance. This position is part of a high-performing team responsible for maintaining core IT infrastructure, enabling secure and efficient operations across mission-critical environments.This role involves hands-on management of systems and networks, ensuring identity and access controls, supporting information system security accreditation, and developing automation to enhance system performance and reliability. Ideal candidates will bring a blend of technical expertise, security awareness, and the ability to thrive in complex enterprise environments.Primary Responsibilities : Administer and support enterprise Windows Server and Active Directory environments.Manage and maintain VMware vSphere 7 infrastructure.Operate Cisco-based network systems and provide troubleshooting and optimization support.Oversee physical infrastructure and hardware lifecycle, including Dell servers and SAN storage system identity, authentication, and access management functions.Participate in the preparation, maintenance, and submission of documentation required to achieve and maintain system automation to improve system deployment, monitoring, and maintenance.Evaluate and document technical and security controls in alignment with NIST 800-53.Utilize GRC tools (e.g., RiskVision, Xacta, JCAM) to support ongoing risk and compliance tracking.Collaborate with cybersecurity professionals to maintain compliance with federal regulations and internal security policies.

• Contingent upon funding and selectionAt COLSA, people are our most valuable resource and centered at our core value. We invite you to unite your talents with opportunity and be a part of our "Family of Professionals!" Learn about our employee-centric culture and benefits here.Required ExperienceRequired Qualifications : One of the following combinations of education / experience : Bachelor's degree or higher in related field and 10 years related experience in enterprise infrastructure support, systems administration, or a related role OR High school diploma and 18 years related experience in enterprise infrastructure support, systems administration, or a related role. Strong technical background in : Microsoft Windows Server and Active DirectoryNIST 800 series publications and FISMA-related compliance activitiesPractical experience supporting security authorization or accreditation activities.Understanding of enterprise system and network architectures.Ability to document technical processes and communicate effectively with both technical and non-technical stakeholders.TS / SCI Clearance; US Citizenship required.Preferred Qualifications : Experience with : VMware vSphere 7 administrationCisco network systemsDell server hardware and SAN storage managementAutomation and scripting for system tasksGRC tools such as RiskVision, Xacta, or JCAMFamiliarity with the ATO lifecycle, including control implementation and evidence selected will be subject to a government security investigation and must meet eligibility requirements for access to classified information. COLSA Corporation is an Equal Opportunity Employer, Minorities / Females / Veterans / Disabled. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, or national origin.