Security Engineer - Red Team (Offensive Security)

Resource Management Concepts, Inc. (RMC) provides high-quality, professional services to government and commercial sectors. Our mission is to deliver exceptional management and technology solutions supporting the protection and preservation of the people and environment of the United States of America.

We are seeking a highly skilled Cyber Security Engineer – Red Team (Offensive Security) – to join our Cyber Defense Team in Quantico, VA. This is a unique opportunity to work on advanced cyber operations, contributing directly to national security. You will be part of an elite team, leveraging state-of-the-art tools and methodologies to stay ahead of adversaries.

The Red Team conducts full-spectrum offensive operations to assess and improve the security posture of enterprise and mission-critical environments. This includes both no-notice adversarial assessments and cooperative exercises with blue teams and system owners. Team members emulate advanced threat actors, identify vulnerabilities, and help stakeholders strengthen detection and response capabilities.

Requirements

Responsibilities

● Plan and execute no-notice and cooperative Red Team operations across enterprise, application, and cloud environments.

● Identify and exploit network, host, and application-level vulnerabilities.

● Develop and refine proof-of-concept exploits and techniques to test defensive measures.

● Produce detailed technical findings and recommendations for remediation.

● Collaborate with defensive and engineering teams to improve detection and response.

● Continuously evolve team tactics, techniques, and procedures (TTPs), documentation, and training materials to reflect emerging adversary behaviors.

● Participate in after-action reviews and contribute to policy and playbook updates.

● Prepare, update, document, and present course materials that cover TTPs.

● Provide support required to maintain the customer’s Cybersecurity Service Provider (CSSP) accreditation per the standards, including documentation and technical writing support as needed.

● Considerable travel.

Minimum Qualifications

● TS/SCI eligibility

● 5 years of relevant cybersecurity experience (e.g., Red Team, penetration testing, vulnerability research, security engineering, incident response, detection engineering, etc.).

● Possess and maintain a DoD 8570 IAT Level III certification: SecurityX (CASP+), CISSP, CCNP Security, CISA, GCED, GCIH, CCSP.

● Possess and maintain a DoD 8570 CSSP Auditor certification: CySA+, CEH, CISA, GSNA, CFR, PenTest.

● Possess and maintain one of the following certifications to meet DoD 8140 certification requirements: CySA+, SecurityX (CASP+), CISM, CISA, CISSO, CISSP, CPTE, CFR, FITSP-A, GPEN, GCSA, GSEC, GSNA.

● Understanding of Windows and Linux systems, networking fundamentals, and enterprise services (e.g., Active Directory).

Preferred Qualifications

● Experience with any of the following:

• AV/EDR evasion and detection-bypass techniques.

• Custom tooling, payload or, command-and-control (C2) development.
• Software development in C, C++, or a similar language.
• Malware analysis and reverse engineering.
• Cloud platforms and services (AWS, Azure, GCP).
• Physical security assessments or red-team intrusion exercises.
• Industrial control systems (ICS) and Internet of Things (IoT) environments.

● Offensive-security certifications such as OSCP, OSEP, OSCE, CRTO. CRTL, GXPN.

Benefits

At RMC, we're committed to your career growth! RMC differentiates itself from other firms through its investment in our employees. We invest our resources to train, certify, educate, and build our employees.

RMC can offer you a great place to work with a small company feel and give you the experience, tuition assistance, and certifications that will take your career to the next level. We offer Monday to Friday full-time day shift work, and can assist in paid relocation. This also includes a competitive paid vacation package with 11 paid federal holidays. Additionally, we also offer high-quality, low-deductible healthcare plans, pet insurance, and a competitive 401K package.

Salary at RMC is determined by various factors, including but not limited to location, a candidate's specific combination of education, knowledge, skills, competencies, and experience, as well as contract-specific requirements. The current salary range for this position will be $150,000 to $165,000 (annually).

#LI-LL1