Join our talent network

Job #: R-00009990
Location: Gaithersburg, MD
Category: Systems Engineering
Schedule (FT/PT): Full time
Travel Required: No
Shift: Day
Potential for Telework: No
Clearance Required: None
Referral Eligibility: Eligible
Group: Corporate

Job Description:

The Leidos Cybersecurity Intelligence & Response Center (CSIRC) has an immediate opening for a motivated Systems Engineer in Gaithersburg, MD.

As a System Engineer with the CSIRC, you will be an integral part of a team of knowledgeable engineers responsible for technical planning, system hardware-software-network design, development and integration, verification and validation, and fielding of Leidos' cyber defense capabilities. In this role you will support activities like incident response, investigative analysis, and research on existing and emerging cyber threats by working directly with CSIRC analysts to gather infrastructure requirements, perform requirements analysis, work through the formal change control process, stay abreast of new technologies and capabilities, and make best-practice recommendations. You will design, test, deploy, and manage a complex infrastructure supporting critical network defense systems.

  • Responsible for product and environment design of the CSIRC network defense infrastructure.
  • Engagement with Cyber Operations engineers to ensure effective implementation, management, monitoring, and maintenance of the overall network defense system.
  • Maintain and update design release documentation, system documentation, and network diagrams.
  • Thoroughly document and work through any exceptions to corporate policy through established waiver process.
  • Optimize system operations and resources utilization, and perform system capacity analysis and planning.
  • Provide technical guidance to the CSIRC and/or the lines of businesses during investigations or incident response.
  • Participation in internal technical meetings and design reviews.
  • Maintain the necessary project plans and documentation of all system builds and modifications.
  • Collaboration with team leads and analysts to develop capability requirements.
  • Presenting solutions to management with fully formed proposals and documentation.
  • Continuously improving team-internal processes, covering design, implementation and validation.
  • Provide direct and responsive support for urgent analytic needs.
  • Provide on-call support for incident response efforts outside of core hours as needed.

  • Bachelor's degree and 2+ years of relevant experience in Systems Engineering, System Administration, DevOps, or related role. Additional years of relevant experience will be considered in lieu of Bachelor's degree.
  • Familiarity with supporting Linux-based systems.
  • Familiarity with Linux and Windows virtualization.
  • Experience with system and application monitoring, software distribution, patching and maintenance in a Linux environment.
  • Understanding of key networking concepts such as different protocols (TCP/IP, UDP, ICMP, etc), OSI model and DNS.
  • Ability to communicate effectively via multiple channels with technical and non-technical staff.
  • Effective project and time management skills.
  • Must be US Citizen and eligible for Secret clearance.

  • Experience working with several of the following technologies/processes:
    • Unix/Linux and/or Windows system administration
    • Database administration
    • Web server administration
  • Experience with Change Board processes
  • System Project Design and lifecycle experience (waterfall/agile)
  • Understanding of behavioral based threat models, including ATT&CK, Cyber Kill Chain, Diamond Model, etc.
  • Understanding of Cyber Security & Information Security technology
  • Experience scripting in some of the common languages, such as Bash, Perl, and/or Python.
  • 2-3 years of overall software development experience.
  • Comfortable with Software Development Life Cycles, Test Driven Development, Continuous Integration and Continuous Delivery/Deployment.
  • Proficient at designing software systems; from high-availability large-scale distributed systems to scripted solutions.
  • Experience with configuration management tools such Salt or Puppet.
  • Knowledge of best practices and IT operations in an always-up, always-available service
  • Cloud experience.Experience with server-side web-application development
  • Familiarity with analysis, including Knowledge Discovery and Data Mining
  • Strong metrics and operational excellence focus.
  • Experience administering and deploying development CI/CD tools such as Git, Jira, GitLab, or Jenkins
  • RHCE proficiency or equivalent experience.


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 32,000 employees support vital missions for government and commercial customers. Headquartered in Reston, Virginia, Leidos reported annual revenues of approximately $10.19 billion for the fiscal year ended December 28, 2018. 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.

Talent Community

Join our Talent Community to create a profile, enabling a streamlined application process and to help our recruiters better understand your areas of expertise and interest.

Join our Talent Community