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Job #: R-00119553
Location: Remote, US
Category: Cyber Operations
Schedule (FT/PT): Full Time
Travel Required: Yes, 10% of the time
Shift: Day
Remote Type: Remote
Clearance: Top Secret
Referral Eligibility: Ineligible
Group: Civil

This job posting is no longer active.

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Leidos is seeking a SIEM Engineer on a Cyber Security Center contract supporting a variety of complex assignments associated with managing and controlling computer information systems. The position will be part of a growing IT team working on multiple information systems in a high-demand setting ensuring the uninterrupted and secure day to day operation of the cyber security program. The SIEM Engineer will be responsible for O&M along with engineering tasking.

The candidate will be a subject matter expert skilled in network security applications and tools, especially data streaming platforms, security information and event management (SIEM) platforms, and security orchestration, automation, and response (SOAR) tools.

Primary Responsibilities: 

  • Maintain network security platforms, to include data streaming platforms (i.e. ArcSight Transformation Hub, Kafka Confluent, Cloudera, Azure Stream Analytics, Cribl etc.), SIEMs (i.e. ArcSight,  Elasticsearch, Splunk), and SOARs (i.e. Cortex XSOAR) throughout all design, development, deployment, and integration phases.
  • Work directly with internal and external stakeholders, including vendors, customers, and partner organizations, throughout the planning, designing, and deployment of enterprise-level network security applications.
  • Participate in team meetings, providing guidance, input, and suggestions to team members.
  • Provide technical recommendations and oversight for system upgrades, technical refreshes, and new builds per requirements set by stakeholders
  • Develop new, efficient detection methods that result in meaningful alerts and minimal false positives.
  • Develop detailed documentation to describe OS and COTS product deployment, configuration, upgrading, and maintenance for Change Management requests and Knowledge Content libraries
  • Develop and maintain technical documentation and diagrams related to any systems within scope.
  • Provide design and vendor recommendations to senior customer management.
  • Design, develop, plan, deploy, Integrate, and test enterprise-level security applications and tools with minimal oversight.
  • Ability to work and brief customers to include senior management
  • Must be able to work collaboratively with other system administrators, system engineers, and network engineers in a team environment

Basic Requirements:

  • BS degree and 8+ years of prior relevant experience or Masters with 6 years of prior relevant experience.
  • 4+ years of design, development, integration, implementation, operation and analysis of cyber security technologies.
  • 4+ years administering network appliances, security appliances, or Linux devices
  • Expertise building data pipelines and managing streaming platforms such as the Confluent Platform and Apache Kafka.
  • Experience as a SME on designing, implementing and configuring systems infrastructure
  • Experience providing O&M support to complex/distributed mission-critical systems
  • Experience working independently and collaboratively to troubleshoot and correct operational issues
  • Experience working closely with customers and users to troubleshoot and resolve complex user issues
  • Have strong communication skills
  • Be a team player
  • Experience with Information Assurance (IA) hardening and compliance, i.e. STIG & DSS compliance, documentation, etc.
  • Strong organizational skills and ability to multi-task and successfully manage competing/changing priorities.
  • Extensive experience configuring, designing, implementing and troubleshooting with following technologies:
    • Distributed Security Information Event Management (SIEM) technologies such as the Elastic Stack, Micro Focus ArcSight, Splunk, etc.
    • Security Orchestration, Automation, and Response (SOAR) Integrations
    • Knowledge of scripting languages (BASH, PowerShell, Python, Ruby etc.)
    • Knowledge managing distributed storage solutions.
  • Experience managing Infrastructure as Code (IaC) using tools such as Terraform, Ansible, etc.

Preferred Requirements:

  • Demonstrated experience in cyber security design, engineering and operations
  • Experience with System Administration, Network Administration Network Security, Networking Standards, Network Protocols, NIST/FISMA standards and controls, SIEM platforms and security tools, Network Hardware Configurations
  • Cyber Security Training or Certification (ie Security+, Network+, CISSP)
  • Knowledge of NIST SP 800 53 series or ISO 27000 series documents

Clearance Requirements:

  • US citizenship required.
  • Must be able to obtain and maintain security clearance, specifically DoD/Top Secret Clearance

Pay Range:

Pay Range $97,500.00 - $176,250.00

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.


About Leidos

Leidos is a Fortune 500® technology, engineering, and science solutions and services leader working to solve the world’s toughest challenges in the defense, intelligence, civil, and health markets. The company’s 47,000 employees support vital missions for government and commercial customers. Headquartered in Reston, Virginia, Leidos reported annual revenues of approximately $14.4 billion for the fiscal year ended December 30, 2022.   For more information, visit

Pay and Benefits

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.

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Beware of fake employment opportunities using Leidos’ name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the automated system – never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at [email protected].

If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission.

Commitment to Diversity

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.

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