Computer Network Defense (CND) Security Engineer
Computer Network Defense (CND) Security Engineer
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$ 104650 - 189175
1 Vacancy
Job Description
Leidos Defense is seeking a mission-driven Computer Network Defense (CND) Security Engineer to join our elite team supporting a key Department of Defense (DoD) customer. Based onsite in Suitland MD this role is ideal for someone who thrives in fast-paced environments enjoys solving tough cyber challenges and is ready to take on a pivotal role in safeguarding national security systems.
As a trusted cyber defense leader youll work alongside some of the most driven and creative minds in the fieldsystem administrators network engineers and cyber specialistsprotecting cutting-edge IT infrastructures from internal and external threats.
What Youll Do
- Analyze and monitor threat events using tools such as McAfee/Trellix ePO Splunk Enterprise Palo Alto Firewalls/IDPS and RSA Authentication Manager.
- Investigate endpoint alertsmalware viruses rogue systems removable mediaand build custom Splunk dashboards for actionable insight.
- Conduct regular ACAS scans and support vulnerability assessments using Tenable tools.
- Apply and update STIGs perform SCAP scans and manage patching across VMware ESXi Windows Server Windows 10 and Ubuntu Linux environments.
- Contribute to documentation including Concepts of Operations Implementation Plans Risk Management Framework packages and analyst user guides.
- Research and evaluate emerging technologies for cyber defense applicability.
Basic Qualifications
- Bachelors degree and 8 years of experience or a Masters degree and 6 years of experience. Additional experience training and/or certifications may be substituted in lieu of a degree.
- Active DoD Top Secret/SCI clearance.
- DoD 8570 IAT Level II certification (e.g. Security CE) or ability to obtain within 30 days of hire.
- Minimum of 3 years in CND roles within DoD/IC environments.
- Strong background in cyber tool integration (e.g. Splunk McAfee/Trellix Tenable Palo Alto).
- Deep knowledge of RMF processes vulnerability assessments and endpoint security best practices.
- Experience in deploying patching and configuring RedHat Enterprise Linux based security scanners such as Tenable Security Center.
Preferred Qualifications
- Experience with VMware ESXi
- Mastery of Tenable Nessus/ACAS and STIG compliance
- RedHat-based security scanner deployment know-how
Join us at Leidos Defense and become part of a mission-first team redefining whats possible in cyber defense. If youre ready to engineer the future of national securitylets talk.
NITESONI
EIO2024
Original Posting:
July 1 2025For 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 $104650.00 - $189175.00The 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.
Employment Type
Full-Time
