Senior Environmental Systems Engineer

At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers' success. We empower our teams, contribute to our communities, and operate sustainably. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. Our Mission, Vision, and Values guide the way we do business. Your greatest work is ahead!

The Civil Environmental & Infrastructure Portfolio at Leidos currently has an opening for a Senior Environmental Systems Engineer.

The successful candidate will perform information security officer duties and be responsible for maintaining the security posture and Authorization to Operate (ATO) of multiple environments throughout the system lifecycle. This responsibility includes overseeing, implementing, and validating IT security controls to ensure compliance with NIST, FISMA, DHS, and TSA policy and mandated security requirements, ensuring the confidentiality, integrity, and availability for each assigned system, and will guide systems through re-authorization audits and continuous monitoring compliance requirements. The candidate will develop and maintain system requirements documents, system design documents and diagrams, system hardware and software inventories, system security plans, contingency plans, incident response plans, interconnection agreements, and system-specific standard operating procedures. The candidate will manage SSL certificates for each device and system and coordinate new certificate deployments. The candidate will enforce SecDevOps change management lifecycle procedures, including dynamic testing, static code analysis, and peer reviews to ensure code quality across all managed systems.

The successful candidate will provide technology guidance to program managers and develop basis of estimates (BOEs) in support of new work opportunities. The candidate will prepare resource estimates used in the development of proposals, ensuring BOE rationale is documented to support the resource estimates for environmental data management, geospatial data management, system development / maintenance, hosting, and software licensing support for environmental investigations and / or support activities.

Applicants should demonstrate excellent written and verbal communication skills, leadership skills, and attention to detail. Strong organizational skills are essential.

• Manage team assignments and workloads, tracking tasks and deliverable progress.
• Lead technology initiatives across organization contracts.
• Manage environmental data lifecycle across projects with stakeholders, data managers, project chemists.
• Manage system development lifecycle across projects with stakeholders, system developers and administrators.
• Maintain security compliance status and documentation of system environments.
• Perform security reviews of new or changed code objects and system posture.
• Perform audit log reviews to identify suspect activity, application errors, incidents.
• Ensure systems availability, reviewing hardware resources, system backup performance, patch status.
• Conduct break / fix analysis for hosted systems.

Qualifications :

Preferred Qualifications :

Original Posting : March 21, 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 $112,450.00 - $203,275.00

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.

Remote

REQNUMBER : R-00156102

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status. Leidos will consider qualified applicants with criminal histories for employment in accordance with relevant Laws. Leidos is an equal opportunity employer / disability / vet.

J-18808-Ljbffr