Cybersecurity Engineer

Leidos; Sully Square (VA); On-site; USD 104,000 - 190,000; Full time

Job summary

Leidos is seeking a Cybersecurity Engineer to support a vital government contract in Virginia. This role requires monitoring IT system security, addressing vulnerabilities, and ensuring compliance with established policies. Ideal candidates will have extensive experience and an active TS/SCI clearance, supporting a critical mission.

Qualifications

• 8+ years of experience in cybersecurity required.
• Experience required in network infrastructure and routing protocols.
• Active TS/SCI clearance with polygraph required.

Responsibilities

• Monitor security status for all IT systems and address issues.
• Investigate security incidents.
• Coordinate with IT and management teams.

Skills

Customer Service

Interpersonal Skills

Teamwork

Task Management

Vulnerability Management

Education

Bachelor’s degree in Cybersecurity or related field

Tools

DHCP

DNS

SSH

TCP

UDP

Cisco IOS

RHEL

Job description

Description

Cybersecurity Engineer

Are you looking for an opportunity to make an impact?

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.

If this sounds like the kind of environment where you can thrive, keep reading!

Our Mission Solutions Business Area (MSBA) at Leidos is seeking a Cybersecurity Engineer to support a government contract in the National Capital Region (NCR). The ideal candidate will be able to identify, assess, and address IT systems security issues. Additionally, the Cybersecurity Engineer will coordinate with the IT team and customer management.

This position works 100% in the office, there is no ability for remote or hybrid work and there may be some business travel (approximately 10% of the time).

Are you ready to make an impact?

In this role you will:

• Actively monitor the security status for all IT systems and resolve all security issues quickly
• Investigate computer and information security incidents.
• Applies advanced knowledge of concepts, processes, practices, and procedures on technical assignments
• Other duties as assigned

Clearance Required:

• Active TS/SCI with polygraph is required

Required Experience, Skills, and Education:

• Active TS/SCI with polygraph is required. We do not have the ability to nominate candidates for clearance processing.
• Bachelor’s degree in Cybersecurity or related degree and 8+ years of applicable experience. Additional experience may be considered in lieu of a degree.
• Demonstrated experience supporting of Plan of Action and Milestones (POAMs) and vulnerability management
• Experience with network infrastructure design, routed data protocols, and hardware platforms.
• Experience with technologies such as DHCP, DNS, SSH, TCP, and UDP.
• Demonstrated experience with security device architecture, engineering, and installation/management.
• Knowledge of WAN and LAN, routing, switching, and firewalls.
• Knowledge in Operating Systems such as Windows, Cisco IOS, and RHEL.
• Demonstrated experience applying efficient task management and ability to adjust to changing requirements
• Demonstrated experience working as part of a team
• Demonstrated customer service and interpersonal skills

Original Posting:

June 26, 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 $104,650.00 - $189,175.00

The Leidos pay range for this job level is a general guideline onlyand 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.