Incident Responder (Secret Clearance Required, Onsite)

Position Summary

Our Deloitte Cyber team understands the unique challenges and opportunities businesses face in cybersecurity. Join our team to deliver powerful solutions to help our clients navigate the ever-changing threat landscape. Through powerful solutions and managed services that simplify complexity, we enable our clients to operate with resilience, grow with confidence, and proactively manage to secure success.

Work You'll Do

• Lead and execute all phases of the incident response lifecycle, including planning, identification, containment, eradication, recovery, and follow-up in alignment with client security requirements.
• Analyze and triage security events and alerts from event logging systems, SIEM platforms, and PCAP data to accurately distinguish true security incidents from non-incidents and identify indicators of malicious activity or code.
• Coordinate containment and eradication efforts by developing and implementing countermeasures across enterprise environments to limit impact and support rapid recovery.
• Prepare clear, detailed incident reports and briefings that document findings, response actions, lessons learned, and recommendations for prevention and remediation.
• Collaborate effectively with internal SOC teams and external stakeholders.

The Team

Deloitte's Government and Public Services (GPS) practice - our people, ideas, technology, and outcomes-are designed for impact. Serving federal, state, & local government clients as well as public higher education institutions, our team of professionals brings fresh perspective to help clients anticipate disruption, reimagine the possible, and fulfill their mission promise.

Our Cyber Defense & Resilience offering assists clients in defending against advanced threats by transforming security operations, monitoring technology, data analytics, and threat intelligence. Helps manage and protect dynamic attack surfaces and provides rapid crisis and cyber incident response, ensuring clients can be ready for, respond to, and recover from business disruptions.

Qualifications

Required:

• A minimum of a High School Diploma required.
• Must be legally authorized to work in the United States without the need for employer sponsorship, now or at any time in the future.
• Active Secret Clearance required
• 3 years of experience in working as a network security analyst in a security operations center and/or in handling, responding, and managing computer security incidents
• Must have the ability and prior experience to analyze information technology security events and distinguish legitimate security incidents from non-incidents. This includes identifying malicious code or activities within computer systems and enterprise networks.
• Must have working knowledge of various operating systems (e.g., Windows, OS X, Linux) commonly deployed in enterprise environments. A conceptual understanding of Windows Active Directory is also required.
• Must possess working knowledge of network communications and routing protocols (e.g., TCP, UDP, ICMP, BGP, MPLS) and common internet applications and standards (e.g., SMTP, DNS, DHCP, SQL, HTTP, HTTPS).
• Must have experience with event logging systems and be proficient in analyzing security event logs. Previous experience with SIEM platforms that perform log collection, analysis, correlation, and alerting is required.
• Must be proficient in utilizing various Packet Capture (PCAP) applications/engines and in analyzing PCAP data.
• Must have experience in identifying and implementing countermeasures or mitigating controls for deployment in enterprise network environments.

As used in this posting, "Deloitte" means Deloitte Transactions and Business Analytics LLP, a subsidiary of Deloitte LLP. Please see www.deloitte.com/us/about for a detailed description of the legal structure of Deloitte LLP and its subsidiaries.

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or protected veteran status, or any other legally protected basis, in accordance with applicable law.

Information for applicants with a need for accommodation: https://www2.deloitte.com/us/en/pages/careers/articles/join-deloitte-assistance-for-disabled-applicants.html

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Benefits

At Deloitte, we know that great people make a great organization. We value our people and offer employees a broad range of benefits. Learn more about what working at Deloitte can mean for you.

Our people and culture

Our inclusive culture empowers our people to be who they are, contribute their unique perspectives, and make a difference individually and collectively. It enables us to leverage different ideas and perspectives, and bring more creativity and innovation to help solve our clients' most complex challenges. This makes Deloitte one of the most rewarding places to work.

Our purpose

Deloitte's purpose is to make an impact that matters for our people, clients, and communities. At Deloitte, purpose is synonymous with how we work every day. It defines who we are. Our purpose comes through in our work with clients that enables impact and value in their organizations, as well as through our own investments, commitments, and actions across areas that help drive positive outcomes for our communities. Learn more.

Professional development

From entry-level employees to senior leaders, we believe there's always room to learn. We offer opportunities to build new skills, take on leadership opportunities and connect and grow through mentorship. From on-the-job learning experiences to formal development programs, our professionals have a variety of opportunities to continue to grow throughout their career.

As used in this posting, "Deloitte" means Deloitte Transactions and Business Analytics LLP, a subsidiary of Deloitte LLP. Please see www.deloitte.com/us/about for a detailed description of the legal structure of Deloitte LLP and its subsidiaries.

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or protected veteran status, or any other legally protected basis, in accordance with applicable law.

Requisition code: 314517

Job ID 314517

Client-provided location(s): Arlington, VA

Job ID: Deloitte-314517

Employment Type: OTHER

Posted: 2025-10-15T19:05:03