Job Details

Security Infrastructure Engineer

Washington, Washington DC, United States

Job Description:

Leidos has a current job opportunity for a Security Infrastructure Engineer at the Pentagon in Arlington, VA.

This position provides security engineering and management support for the Joint Service Provider. This position deploys, manages, and configures Cyber Security equipment associated with network and endpoint monitoring to include Intrusion Detection System (IDS), Packet Capture, Net Flow, and Session systems, servers, appliances, and to manage the project execution for the evaluation of new technologies for life cycle replacement and potential future use. This position is also responsible for deploying and managing signature sets and policies across a wide variety of cybersecurity system. The position will work in close coordination with Security Operations Center analyst and the Firewall team in addressing attack vectors and troubleshooting potential impacts to legitimate traffic.

Coordinate with local change and control boards and provide installation, configuration, engineering, administration, and accreditation documents/diagrams for the infrastructure life cycle replacements upgrades, enhancements, and new technology deployments
Coordinate with Operations and Engineering and provide technical support for all in-line devices to include Taps, Intrusion Prevention System (IPS), Wireless Intrusion Detection System (WIDS), Wireless Intrusion Prevention System (WIPS), and other in-line devices impacting the security monitoring of JSP networks
Update infrastructure and rack elevation diagrams
Maintain Information Assurance Vulnerability Management (IAVM) compliance on all security devices
Develop Plan of Action and Milestones (POA&M), when needed
Perform systems engineering functions for new system development efforts or critical system enhancements and patches
Troubleshoot network and system issues and/or outages
Assist Security Infrastructure team in conducting daily maintenance and support activities.
Provide assistance to junior administrators, as needed.

Must hold active SECRET clearance
Bachelor's Degree and 8+ years of professional experience; additional related years of experience is accepted in lieu of a degree.3+ years of cybersecurity related experience
2+ years of technical experience deploying and maintaining cybersecurity tools, especially network defense capabilities
Must have certification that satisfies DoD-8570 IAT Level II upon start
Must have or obtain certification that satisfies DoD-8570 CSSP Infrastructure Support within six months of start
Must have or obtain SIEM (ArcSight, Splunk, or Elastic) certification OR Linux operating system certification within six months of start
Demonstrated experience with deploying, configuring, maintaining, patching, troubleshooting, and upgrading cybersecurity infrastructure and capabilities.
Demonstrated knowledge of network traffic and communications, including known ports and services.
Hands-on experience with the Windows and Linux operating systems and their respective command line interfaces and scripting shells.)
Demonstrated experience with researching and fielding new and innovative technology

Active Top Secret clearance and Sensitive Compartmented Information (TS/SCI) Eligible (DIA Adjudicated or capable of reciprocal acceptance by DIA)
Experience with automation and orchestration frameworks (ex. Ansible, Puppet, Chef)
Deep technical understanding of common cybersecurity technologies as well as emerging capabilities.
Hands-on experience as a SOC analyst.
Demonstrated understanding of the life cycle of cybersecurity threats (internal and external), attacks, attack vectors and methods of exploitation with an understanding of intrusion set tactics, techniques and procedures (TTPs).
Motivated self-starter with strong written and verbal communication skills, and the ability to create complex technical reports on analytic findings.
Familiarity or experience in Intelligence Driven Defense, Cyber Kill Chain methodology, and/or MITRE ATT&CK framework.

External Referral Bonus:

Potential for Telework:

Clearance Level Required:

Yes, 10% of the time

Scheduled Weekly Hours:


Requisition Category:

Job Family:
Cyber Operations

Leidos is a Fortune 500 information technology, engineering, and science solutions and services leader working to solve the world's toughest challenges in the defense, intelligence, homeland security, civil, and health markets. The company's 38,000 employees support vital missions for government and commercial customers. Headquartered in Reston, Va., Leidos reported annual revenues of approximately $11.09 billion for the fiscal year ended January 3, 2020. For more information, visit .

Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available here .

Leidos will never ask you to provide payment-related information at any part of the employment application process. And Leidos will communicate with you only through emails that are sent from a email address. If you receive an email purporting to be from Leidos that asks for payment-related information or any other personal information, please report the email to .

All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws. - provided by Dice

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