Systems Engineer Security Clearance

Position: Systems Engineer with Security Clearance
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- Description Position:
Systems Engineer

Location:

Melbourne, FL (Patrick SFB) Make an Impact with Leidos At Leidos, we deliver innovative solutions through the dedication of our diverse and talented teams. United by a shared commitment to our customers’ success, we empower our people, support our communities, and operate sustainably. Our Mission, Vision, and Values guide every aspect of our work, ensuring we do the right thing—for our customers, our people, and the world around us.

Thrive in an Impactful Environment The Leidos Defense Sector offers a broad portfolio of systems, solutions, and services across land, sea, air, space, and cyberspace. We support critical defense missions with capabilities in enterprise and mission IT, large-scale intelligence systems, command and control, geospatial and data analytics, cybersecurity, logistics, training, and intelligence operations. Our teams tackle the world’s toughest security challenges for customers with “can’t fail” missions.

Leidos Defense Sector is seeking a Hybrid Cloud Engineer to join our engineering team and support the design, deployment, and sustainment of secure, scalable, cloud‑native and on‑premise systems. The ideal candidate brings strong Linux administration experience, virtualization expertise, and the ability to maintain secure, mission‑critical environments across multiple security domains. Primary Responsibilities
* Develop proficiency in cloud platforms and services to support future cloud migration and hybrid infrastructure initiatives
* Administer and maintain Red Hat Enterprise Linux (RHEL) servers in both on‑prem and cloud environments
* Install, configure, and operate Apache NiFi for dataflow automation, including processor configuration, flow monitoring, and enterprise integration
* Manage virtualized infrastructure and support the full lifecycle of virtual machines
* Perform routine system administration tasks including OS installation, configuration management, backup/recovery, monitoring, and capacity planning
* Support basic network administration tasks such as IP addressing, VLANs, routing fundamentals, firewall rule verification, and connectivity troubleshooting
* Implement lifecycle policies, bucket policies, encryption (KMS), and access controls for S3 storage to meet data protection and retention requirements
* Implement and enforce security controls in accordance with DoD policies, STIGs, and DISA guidance; perform vulnerability remediation and compliance checks
* Support cross‑domain solutions and controlled data transfers between security domains; collaborate with security and information assurance teams
* Maintain system documentation, SOPs, and change control records
* Respond to incidents, conduct root‑cause analysis, and implement corrective actions
* Coordinate with stakeholders on system upgrades, maintenance windows, and deployment planning
* Use automation and configuration management tools (e.g., Ansible) to deliver repeatable, auditable system changes
* Participate in on‑call rotation and provide occasional after‑hours support Basic Qualifications
* Bachelor’s degree in Computer Science, Information Technology, Cybersecurity, or related disciple with 4+ years of related experience. Additional experience, training, or certifications may substitute for degree
* U.S. citizen;
Currently possessing an Active DoD Top Secret clearance and eligibility for Top Secret/SCI
* Currently hold a DoD 8140 IAT level II certification (e.g., CompTIA Sec+)
* Foundational knowledge of cloud computing concepts and services (IaaS, PaaS, SaaS)
* Have an active foundational cloud certification: AWS Cloud Practitioner, Azure Fundamentals (AZ‑900), or Google Cloud Digital Leader
* Proven experience administering enterprise RHEL systems
* Experience with virtualization/container technologies (VMware, KVM, or Hyper‑V)
* Solid understanding of networking fundamentals (TCP/IP, DNS, DHCP, routing, switching, VLANs)
* Familiarity with DoD security policies and STIG implementation
* Strong troubleshooting and problem‑solving skills

Preferred Qualifications
* Excellent written and verbal communication skills and ability to…