Junior Applications Engineer Jobs in Reston, VA (NOW HIRING)

The Opportunity:

We are seeking a Junior Signals and Defense Engineer to join our team. This role is designed for candidates who are passionate about defending organizations against cyber threats and interested in building the next generation of security operations capabilities. You will work alongside experienced security practitioners to develop, implement, and improve threat detection, incident response, security automation, and AI-driven capabilities within a modern Security Operations Center (SOC) or Cyber Fusion Center. This position provides hands-on experience across multiple cybersecurity disciplines, including Detection Engineering, Security Information and Event Management (SIEM), Security Orchestration, Automation and Response (SOAR), threat detection, and the application of Artificial Intelligence to cybersecurity operations. Due to the nature of work performed within this facility, U.S. citizenship is required.

How You'll Contribute:

• Analyze people, processes, technologies, and integration with other teams to improve detection and response capabilities

• Assist in designing, developing, and tuning security detections for enterprise environments.

• Support the development of threat detection use cases using SIEM and log analytics platforms.

• Contribute to the creation and maintenance of security automation workflows using SOAR technologies.

• Research emerging cyber threats, attacker techniques, and defensive strategies using frameworks such as MITRE ATT&CK.

• Develop scripts and automation to improve SOC efficiency and reduce manual processes.

• Participate in testing, validation, and continuous improvement of detection content.

• Assist with integrating security telemetry from cloud, endpoint, identity, and network security technologies.

• Explore and prototype AI and automation capabilities that enhance threat detection, investigation, and analyst workflows.

• Document engineering processes, detection logic, and technical solutions.

Join us. The world can't wait.

You Have:

• Knowledge of cybersecurity principles, including networking fundamentals, such as TCP/IP, DNS, HTTP, and routing, operating systems, such as Windows and Linux, identity and authentication concepts, and common cyber-attack techniques and defensive controls

• Knowledge of programming or scripting using one or more languages such as Python, PowerShell, JavaScript, C#, or Java

• Knowledge of data structures, algorithms, and software development fundamentals

• Ability to demonstrate curiosity and a passion for cybersecurity

• HS diploma or GED

Nice If You Have:

• Experience with SIEM platforms, such as Microsoft Sentinel, Splunk, Elastic, QRadar, or Chronicle

• Experience with SOAR platforms or workflow automation

• Experience with Cloud, such as Azure, AWS, or Google Cloud

• Experience with security logging and telemetry

• Experience with MITRE ATT&CK Framework

• Experience with AI or machine learning applications in cybersecurity

• Experience with Git or source control platforms

• Knowledge of detection engineering concepts

• Knowledge of threat hunting methodologies

• Possession of strong analytical, problem-solving, critical thinking, and written and verbal communication skills

Compensation

At Booz Allen, we celebrate your contributions, provide you with opportunities and choices, and support your total well-being. Our offerings include health, life, disability, financial, and retirement benefits, as well as paid leave, professional development, tuition assistance, work-life programs, and dependent care. Our recognition awards program acknowledges employees for exceptional performance and superior demonstration of our values. Full-time and part-time employees working at least 20 hours a week on a regular basis are eligible to participate in Booz Allen's benefit programs. Individuals that do not meet the threshold are only eligible for select offerings, not inclusive of health benefits. We encourage you to learn more about our total benefits by visiting the Resource page on our Careers site and reviewing Our Employee Benefits page.

Identity Statement

As part of the hiring process, we will ask you to complete an identity verification process that leverages advanced biometrics and artificial intelligence to ensure authenticity and protect against identity fraud. You are expected to be on camera during interviews and assessments. We reserve the right to take your picture to verify your identity and prevent fraud.

Candidate AI Usage Policy

AI is a part of our daily work at Booz Allen, and we are committed to the responsible and ethical use of AI tools. However, we want to ensure a fair candidate process based on your own skills and knowledge. As part of this commitment, the use of artificial intelligence (AI) or other tools to assist with responses during interviews (whether in-person or virtual) is prohibited unless permission is explicitly provided.

Work Model
Our people-first culture prioritizes the benefits of collaboration, whether it occurs in person or virtually. To support engagement and effective communication, employees working virtually are generally expected to have their cameras on during meetings.

• Remote: If this position is listed as remote, there may still be occasions when you are required to work in person at a Booz Allen or customer facility.

• Hybrid: If this position is listed as hybrid, you will be expected to work from a Booz Allen facility frequently, in alignment with leadership expectations and the needs of the role. You may also be required to work from or visit a customer facility.

• Onsite: If this position is listed as onsite, work will primarily be performed at a Booz Allen office or customer facility, where employees will collaborate directly with colleagues and customers as required by the role.

Commitment to Non-Discrimination

All qualified applicants will receive consideration for employment without regard to disability, status as a protected veteran or any other status protected by applicable federal, state, local, or international law.