Description
Leidos is seeking a Cyber Tier 1 Shift Lead to join our team on a highly visible cyber security single-award IDIQ vehicle that provides Network Operations Security Center (NOSC) support, cyber analysis, application development, and a 24x7x365 support staff.
Department of Homeland Security (DHS), Network Operations Security Center (NOSC) is a U.S. Government program responsible to monitor, detect, analyze, mitigate, and respond to cyber threats and adversarial activity on the DHS Enterprise. The DHS NOSC has primary responsibility for monitoring and responding to security events and incidents detected at the Trusted Internet Connection (TIC) and Policy Enforcement Point (PEP) and is responsible for directing and coordinating detection and response activities performed by each Component SOC. Direction and coordination are achieved through a shared DHS incident tracking system and other means of coordination and communication.
The Monitoring and Analysis team provide 24x7 support across 4 different shifts. We have front half shifts (day and night) and back half shifts (day and night). The front half shift will work 12-hour shifts from Sunday – Tuesday and alternating Wednesdays. The back half shift will work 12-hour shifts from Thursday – Saturday and alternating Wednesdays. Candidates must have the ability to work non-core hours, if necessary.
Duties include network security monitoring and detection, proactively searching for threats, inspecting traffic for anomalies and new malware patterns, investigating and analyzing logs, providing analysis and response to alerts, and documenting activity in NOSC investigations and Security Event Notifications (SENs).
The Monitoring and Analysis Deputy Team Lead is a critical role within the Network Operations and Security Center (NOSC), created to enhance operational efficiency, streamline processes, and improve the overall cybersecurity posture. This role emphasizes continuous improvement of effectiveness and efficiency, ensuring consistent communication and task completion across all shifts, and providing quality assurance and content enhancement for cybersecurity investigations and monitoring tools.
Primary Responsibilities
Onboarding Optimization:
Lead efforts to reduce onboarding time through continuous observation and assessment of operations and administrative processes.
Implement process improvements to enhance efficiency and reduce unnecessary efforts, leveraging Lean Six Sigma methodologies.
Process Improvement:
Continuously review and refine Standard Operating Procedures (SOPs) and workflows to ensure they are modern, efficient, and aligned with current needs.
Collaborate with the SOAR team and other special teams to enhance automation and workflow capabilities.
Customer Service Enhancement:
Provide superior customer service to the Department of Homeland Security (DHS) by accurately identifying and addressing ad hoc requests from federal leadership.
Act as a point of contact for high-level leaders and leads on the federal side to ensure clear communication and understanding of requirements.
Training and Tools Management:
Oversee and maintain compliance with required training programs, including on-the-job cybersecurity training and DHS-mandated e-learning courses.
Manage and maintain access to cybersecurity tools, ensuring all team members have the necessary permissions to perform their roles effectively.
Provide training on the use of various cybersecurity tools to team members, enhancing their capability to use the tools efficiently.
Shift Liaison and Task Management:
Ensure that all shifts (Front Days, Back Days, Front Nights, Back Nights) do not miss important emails or tasks, maintaining consistency in task completion.
Monitor and follow up on asks to ensure they are addressed and not overlooked, addressing gaps in previous processes.
Quality Assurance and Content Improvement:
Perform quality assurance checks on Splunk comment closures, Splunk investigations, and cybersecurity investigations (ECMs).
Conduct quality checks on EBMs or proxy and firewall blocks submitted within the network.
Review trends and data to develop better content for Splunk alerting and monitoring.
Continuously work to improve the accuracy and efficiency of monitoring content by analyzing investigation trends.
Process and Workflow Enhancement:
Collaborate with the federal cybersecurity leads to reduce waste and improve meaningful cybersecurity processes.
Engage with various teams to explore new methods to improve the work environment and cybersecurity services, including liaising with SOAR engineers and other special teams.
Tools and Service Evaluation
Collaborate on feature development and enhancement of existing tools by testing new features and providing insights to optimize their functionality for the organization.
Basic Qualifications
All NOSC Deputy Team Lead candidates shall have a Bachelor’s degree in Computer Science, Engineering, Information Technology, Cybersecurity, or related field AND a minimum of 4-8 years total professional experience in at least two of the areas listed below:
Vulnerability Assessment
Intrusion Prevention and Detection
Access Control and Authorization
Policy Enforcement
Application Security
Protocol Analysis
Firewall Management
Incident Response
Encryption
Web-Filtering
Advanced Threat Protection
Military experience and training may be considered in lieu of degree
Active advanced cybersecurity certification(s)
Experience conducting detailed technical analysis of Cybersecurity Events and Incidents
Must have current TS/SCI. In addition to specific security clearance requirements, all Department of Homeland Security SOC employees are required to obtain an Entry on Duty (EOD) clearance to support this program.
Must have one of the following certifications: CCNA-Security, CYSA+, GICSP, GSEC, Security+ CE, CND, SSCP
Candidates should also demonstrate the following:
Extensive knowledge of a SOC’s/NOSC’s purpose and role within an organization
Detailed understanding of common network ports and protocols (e.g. TCP/UDP, HTTP, ICMP, DNS, SMTP, etc)
Expertise with network topologies and network security device functions (e.g. Firewall, IDS/IPS, Proxy, DNS, etc).
Expertise with packet analysis tools such as Wireshark
Able to perform critical thinking and analysis to investigate cyber security alerts
Extensive knowledge of common malware and attack vectors
Extensive experience with Windows operating systems and standard OS logging
Preferred Qualifications
Expertise in Lean Six Sigma, e.g. Black Belt or Green Belt
Familiarity with other continuous improvement methodologies, e.g. Theory of Constraints
Strong analytical skills with the ability to perform quality assurance and content improvement.
Demonstrated ability to liaise between multiple teams and organizational levels.
Excellent communication skills, both written and verbal, with the ability to interact effectively with federal leadership and team members across all shifts.
If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.
Original Posting:
May 5, 2026
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 $87,100.00 - $157,450.00
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 an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com.
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 at www.leidos.com/careers/pay-benefits.
Securing Your Data
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 Leidos.com 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 LeidosCareersFraud@leidos.com.
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 Non-Discrimination
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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