Freelance Blue Team Cyber Security Jobs (NOW HIRING)

Job Description Everforth ECS is seeking an AI-Focused Red Team/Blue Team Operator to join our team in Washington, DC . This position is contingent upon additional funding. ECS is seeking Top Secret cleared Red/Blue Team Operator with deep expertise in both offensive and defensive cyber operations and a strong understanding of AI-enabled systems, threats, and security controls. This role will support advanced security assessments, adversary emulation, detection engineering, and threat hunting while leveraging AI to reduce time to detect or identify zero-day vulnerabilities AI/ML Security * Adversarial ML: prompt injection, model evasion, data poisoning, model extraction * LLM red teaming: jailbreaks, indirect injection, RAG poisoning, tool-use abuse * Model and pipeline assessment for OWASP LLM Top 10 and AI-specific threat models * Defending AI systems: guardrails, content filtering, evaluation harnesses, monitoring * Use of AI for offense: agent-driven recon, code analysis, payload generation, recon at scale * Use of AI for defense: anomaly detection, alert triage, automated enrichment, LLM-assisted hunting AI Engineering & Automation * Building agentic workflows for triage, detection tuning, and report generation * Fine-tuning and evaluation of security-tuned language models Core Technical Foundations * Secure use of AI coding assistants and code-review for AI-generated output Certifications / Training (suggested) * AI security coursework (e.g., AI security fundamentals, LLM red teaming labs) Salary Range: $160,000 - $205,000 Required Skills * Active Top Secret clearance required; SCI eligibility preferred. * Bachelor's degree in Cybersecurity, Computer Science, Information Systems, Engineering, or related field, or equivalent practical experience. * 5+ years of experience in cybersecurity with meaningful hands-on experience in both red team and blue team operations. * Demonstrated experience with: * Offensive security testing, adversary emulation, or penetration testing * Defensive operations, vulnerability analysis and threat hunting * Prompt engineering to optimize AI-driven security tools, and familiarity with prompt injection/jailbreaking defensive mitigation strategies. * Windows, Linux, Active Directory, cloud environments, and enterprise networks * Security tooling such as vulnerability assessment tools, and attack simulation frameworks * Working knowledge of MITRE ATT&CK, intrusion kill chain concepts, and adversary behaviors. * Experience leveraging AI enabled tools, assessing or securing AI/ML systems, large language model integrations, or AI-enabled applications. * Experience performing vulnerability assessments using one or more of the following: * NESSUS * Nmap * Tenable * Kali * Burp, Metasploit, Core Impact * Strong understanding of security principles related to identity, access management, segmentation, logging, incident response, and secure architecture. * Ability to communicate highly technical issues clearly to both technical and non-technical stakeholders. * U.S. citizenship required due to clearance requirements. Desired Skills * Experience in federal, defense, intelligence, or other classified environments. * Familiarity with cloud security across AWS, Azure, or Google Cloud. * Experience with container and Kubernetes security. * Knowledge of adversarial machine learning, model security testing, AI governance, or secure AI deployment patterns. * Relevant certifications such as: * OSCP, OSEP, GPEN, GXPN, CRTO * GCIH, GCIA, GCFA, GMON, GNFA * CISSP, CCSP, or Security+ * Scripting or development experience in Python, PowerShell, Bash, or similar languages. * Experience supporting purple team exercises and control validation programs. ECS Federal LLC is an equal opportunity employer and does not discriminate or allow discrimination on the basis any characteristic protected by law. 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, or local jurisdiction law. is the federal segment of , a $4B global organization with over 10,000 employees. Our nearly 3,500 professionals deliver advanced technology solutions in data and AI, cybersecurity, and enterprise transformation, serving defense, intelligence, and federal civilian agencies. Our work powers mission-critical outcomes, strengthens technology partnerships, and creates meaningful opportunities for our people. We are defined by a commitment to excellence in delivery, a culture of innovation, and an environment where talent can thrive and grow. We value: * Attracting and developing top talent and high-performing teams * Fostering a culture that is engaging, accountable, and mission-driven Meet the challenge. Make a difference with Everforth ECS!