Cyber Infrastructure Engineer
The Multi-Domain Solutions Division at Leidos currently has an opening for Cyber Infrastructure Engineer to work in our Orlando, Florida office. Ability to work in Central Florida is strongly preferred. Candidates working from remote locations will also be considered. Primary Responsibilities The Cyber Infrastructure Engineer will be responsible for testing, implementing, deploying, maintaining, and administering networks and their hardware and software infrastructure. Duties may include protecting, configuring and managing servers and computers systems, installing software and system patches, troubleshooting and maintaining integrity, and improving reliability and security. May also include device scanning (device discovery, Operating System (OS) fingerprinting, service scanning), and passive (non-intrusive) scanning. As part of the Network Engineering Tier 3 support team, duties may also include monitoring, installation, modification, testing and servicing of network equipment; evaluating and recommending new technologies to enhance current capabilities; and contributing to the security planning, assessment, risk analysis, risk management, certification and awareness activities for system and networking operations. As part of our overall Team, the Cyber Infrastructure Engineer will also strive to build and support a culture grounded in the Leidos values, beliefs and expectations and highest standards of ethical and respectful behavior at all times. Basic Qualifications • A Bachelors Degree and 4 to 8 years of relative experience or Masters with 2 – 6 years of prior relevant experience • Knowledge in the following domains: Windows, Linux, Cybersecurity, operations, networking • Experience with defensive & offensive cyber capabilities and tools • Solid understanding of common industry recognized security frameworks (NIST, CIS Benchmarks) • Proficiency in scripting languages for automation • Experience with contributing to complex projects across multiple technologies • Excellent problem-solving, analytical, and communication skills, with the ability to explain complex topics to both technical and non-technical audiences • DoD IAT certifications • Must possess a minimum of a Secret clearance with the ability to obtain a TS/SCI clearance Preferred Qualifications • Experience working with DoD security Assessment and Authorization • Experience with eMASS • Experience with Jira • Experience with Confluence • Experience with Tenable Nessus • Experience with Security Onion SIEM solution • Experience in RHEL environments • Experience with Juniper SSRs If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares. Original Posting: December 3, 2025 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range: Pay Range $72,150.00 - $130,425.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law. Apply tot his job