×
Register Here to Apply for Jobs or Post Jobs. X

Senior Incident Responder

Job in Suitland, Prince George's County, Maryland, 20746, USA
Listing for: CACI International
Full Time position
Listed on 2026-06-27
Job specializations:
  • IT/Tech
    Cybersecurity, Systems Engineer
Job Description & How to Apply Below

Senior Incident Responder

The Opportunity:

CACI is seeking a skilled and experienced Incident Responder (Level
3) to join our dynamic team to support a DoD client in Suitland, MD. The ideal candidate will have a robust background in Computer Network Defense (CND), incident management, and cybersecurity operations. This role requires a proactive individual with significant experience in monitoring, investigating, and responding to cybersecurity alerts, as well as developing and implementing defense tactics, techniques, and procedures (TTPs).

Responsibilities:

  • Incident Response:
    Monitor and investigate alerts from cybersecurity tools. Respond to and mitigate cybersecurity incidents and breaches following established incident management lifecycle processes.
  • Threat Analysis:
    Identify and classify attack vectors, analyze malware, and develop countermeasures. Utilize network traffic packet captures and analysis methodologies.
  • Tool Utilization:
    Operate Network Intrusion Detection/Prevention Systems (NIDPS) such as Cisco Fire Power, Palo Alto NGFW, and host-based systems like Trellix ePO, Microsoft Defender, and Tanium. Manage Security Information and Event Management (SIEM) systems such as Splunk and Elastic.
  • Documentation and Reporting:
    Write detailed reports, create "best practices" manuals, and develop standard operating procedures. Document incident response activities and findings.
  • Penetration Testing:
    Conduct penetration testing and Red Teaming exercises using tools such as Kali, SamuraiWTF, NMap, Burp Suite, sqlmap, and Metasploit.
  • Scripting and Coding:
    Develop scripts and tools using languages such as Python, Perl, Ruby, JavaScript, Power Shell, and others as needed for incident response and automation.
  • Collaboration:

    Work closely with other cybersecurity teams, IT staff, and stakeholders to ensure a cohesive defense strategy. Provide briefings and presentations as required.
  • Continuous Improvement:
    Stay updated on the latest cybersecurity threats, trends, and technologies. Implement improvements to existing security posture and incident response processes.

Qualifications:

Required:

  • TS/SCI Security Clearance
  • BA/BS in Computer Science, Information Technology, Information Assurance, or a related field. Master's degree preferred. Alternatively, 15+ years of relevant professional experience in lieu of a degree.
  • Minimum of 10 years of concentrated experience in CND.
  • 5+ years of professional experience in monitoring and investigating cybersecurity alerts.
  • Significant experience with Federal, DoD, IC, and industry standards.
  • Strong interpersonal, organizational, time management, writing/documentation, and briefing skills.
  • Excellent analytical, conceptual, and problem-solving skills.
  • Proven ability to communicate effectively and develop/present presentations.
  • Experience in developing and implementing CND TTPs.
  • Knowledge of network security architecture, including topology, protocols, and components.
  • Familiarity with common adversary TTPs and enterprise services (domain controllers, print, email, DNS, web servers).
  • Experience with network traffic analysis tools like Wire Shark or NIKSUN.
  • Proficiency in scripting and coding languages (Python, Perl, Ruby, JavaScript, Power Shell, C, C++, Java, , PHP, AJAX).
  • Certifications:
  • Must possess one of the industry certifications listed under CSSP Incident Responder per the requirements of the DoD Cyber Security Workforce Improvement Program, DoD 8570.01-M.

What You Can Expect:

A culture of integrity.

At CACI, we place character and innovation at the center of everything we do. As a valued team member, you'll be part of a high-performing group dedicated to our customer's missions and driven by a higher purpose – to ensure the safety of our nation.

An environment of trust.

CACI values the unique contributions that every employee brings to our company and our customers - every day. You'll have the autonomy to take the time you need through a unique flexible time off benefit and have access to robust learning resources to make your ambitions a reality.

A focus on continuous growth.

Together, we will advance our nation's most critical missions, build on our lengthy track record of business…

Position Requirements
10+ Years work experience
To View & Apply for jobs on this site that accept applications from your location or country, tap the button below to make a Search.
(If this job is in fact in your jurisdiction, then you may be using a Proxy or VPN to access this site, and to progress further, you should change your connectivity to another mobile device or PC).
 
 
 
Search for further Jobs Here:
(Try combinations for better Results! Or enter less keywords for broader Results)
Location
Increase/decrease your Search Radius (miles)
0
200
Filters
Education Level
Experience Level (years)
Posted in last:
Salary