At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers’ success. We empower our teams, contribute to our communities, and operate sustainable. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. Our Mission, Vision, and Values guide the way we do business.
If this sounds like the kind of environment where you can thrive, keep reading!
The Digital Modernization Sector brings together our digital transformation and IT programs, allowing us to better serve our customers through scale and repeatability. Leidos has a critical need for a Senior Incident Response Analyst to support the DHS CISA Program.
The Department of Homeland Security (DHS), Security Operations Center (SOC) Support Services is a US Government program responsible to monitor, detect, analyze, mitigate, and respond to cyber threats and adversarial activity on the DHS Enterprise. The DHS SOC 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 new shared DHS incident tracking system and other means of coordination and communication. Leidos is seeking a Senior Incident Response Analyst to join our team on this highly visible DHS CISA SOC Program.
The Incident Responder will perform the following:
• Coordinate investigation and response efforts throughout the Incident Response lifecycle
• Correlate and and analyze events and data to determine scope of Cyber Incidents
• Acquire and analyze endpoint and network artifacts, volatile memory, malicious files/binaries and scripts
• Recognize attacker tactics, techniques, and procedures as potential indicators of compromise (IOCs) that can be used to improve monitoring, analysis and Incident Response.
• Develop, document, and maintain Incident Response process, procedures, workflows, and playbooks
• Tune and maintain security tools (EDR, IDS, SIEM, etc) to reduce false positives and improve SOC detection capabilities
• Document Investigation and Incident Response actions taken in Case Management Systems and prepare formal Incident Reports
• Create metrics and determine Key Performance Indicators to drive maturity of SOC operations
• Develop security content such as scripts, signatures, and alerts
Basic Qualifications
Bachelors’ degree in Computer Science, Engineering, Information Technology, Cyber Security, or related field and 12-15 years of related experience. Additional years of experience and/or cyber certifications may be considered in lieu of degree.
In-depth knowledge of each phase of the Incident Response life cycle
• Expertise of Operating Systems (Windows/Linux) operations and artifacts
• Expertise of Enterprise Network Architectures to include routing/switching, common protocols (DHCP, DNS, HTTP, etc), and devices (Firewalls, Proxies, Load Balancers, VPN, etc)
• Ability to recognize suspicious activity/events, common attacker TTPs, and perform logical analysis and research to determine root cause and scope of Incidents
• Expertise with Cyber Kill Chain and have utilized the ATT&CK Framework
• Have scripting experience with Python, PowerShell, and/or Bash
• Ability to independently prioritize and complete multiple tasks with little to no supervision
• Flexible and adaptable self-starter with strong relationship-building skills
• Strong problem-solving abilities with an analytic and qualitative eye for reasoning
• Strong verbal and written communication skills
•Ability to communicate with all levels of audiences (subordinates, peers & leadership)
* Candidate must have technical hands on experience in the areas of incident detection and response, malware analysis, or computer forensics.
All Department of Homeland Security SOC employees are required to favorably pass a 5-year (BI) Background Investigation.
Candidates will have at least one of the following certifications:
SANS GIAC: GCIH, GCIA, GCFA, GPEN GCFE, GREM
CISSP OSCP, OSCE, OSWP
Preferred Qualifications
Experience in cyber government, and/or federal law enforcement FISMA systems.
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:June 9, 2026For 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.
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.
Skills Required
- Bachelor's degree in Computer Science, Engineering, IT, Cyber Security or related field and 12-15 years of related experience (additional experience/certs may substitute)
- In-depth knowledge of each phase of the Incident Response lifecycle
- Expertise with Windows and Linux operating systems and artifacts
- Expertise in enterprise network architectures including routing/switching, DHCP, DNS, HTTP, and devices (firewalls, proxies, load balancers, VPN)
- Ability to recognize suspicious activity, attacker TTPs, and perform root cause analysis and scope determination
- Expertise with Cyber Kill Chain and MITRE ATT&CK framework
- Scripting experience with Python, PowerShell, and/or Bash
- Hands-on technical experience in incident detection and response, malware analysis, or computer forensics
- Experience tuning and maintaining security tools (EDR, IDS, SIEM) to improve detection and reduce false positives
- Developing and maintaining IR processes, procedures, workflows, playbooks, and creating security content (scripts, signatures, alerts)
- Documenting investigations and preparing formal incident reports in case management systems; creating KPIs and metrics
- Strong verbal and written communication skills; ability to communicate with subordinates, peers, and leadership
- Must favorably pass a 5-year Background Investigation (BI)
- Possess at least one qualifying certification (examples listed: GCIH, GCIA, GCFA, GPEN, GCFE, GREM, CISSP, OSCP, OSCE, OSWP)
- Experience in cyber government and/or federal law enforcement FISMA systems
Leidos Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Leidos and has not been reviewed or approved by Leidos.
-
Healthcare Strength — Healthcare coverage is described as comprehensive, with multiple plan options, low office-visit copays in some plans, and access to mental health and wellness support tools. The availability of HSA/FSA options and employer contributions is positioned as a meaningful part of the total package.
-
Retirement Support — Retirement benefits are framed as a strong component of total rewards, highlighted by a 401(k) match and immediate vesting in the standard package. The Employee Stock Purchase Plan is also presented as an additional long-term wealth-building feature.
-
Wellbeing & Lifestyle Benefits — Wellbeing and lifestyle supports extend beyond core insurance, including wellness programs, fitness-related stipends, and assistance resources. Work flexibility and related perks are also included as part of the broader rewards experience.
Leidos Insights
What We Do
We Are Leidos For 50 years we have been tackling some of the biggest problems that face our nation and our world. OUR MISSION Through our culture of innovation and history of performance, we develop deep customer trust built on integrity and create enduring solutions that improve our world. Leidos is a science and technology solutions leader working to address some of the world’s toughest challenges in the defense, intelligence, homeland security, civil, and healthcare markets. The company’s 43,000 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. Leidos was cited for the meaningful work employees perform that is challenging, impactful, and aligned with our customers’ missions as reasons professionals want to work and stay at our company. Leidos has also been named to lists including Forbes’ Best Employers for Diversity, Forbes’ America’s Best Employers for Women, Military Times Best for Vets Employers, and Ethisphere Institute’s World's Most Ethical Companies®. Employees enjoy career enrichment opportunities available through mobility and development and experience rewarding relationships with supportive supervisors and talented colleagues and customers. Employees appreciate our flexible work environment, allowing for and encouraging a true work-life balance. Our professionals are also excited about our Employee Resource Groups, like the newly launched Collaborative Outreach with Remote and Embedded Employees (CORE), which strives to create an environment where every employee, regardless of location, feels fully engaged as a valued employee of Leidos. Your most important work is ahead.
.jpeg)
