ManTech seeks a motivated, career and customer-oriented **Staff Cyber Security Detections Engineer** to join our team in **Springfield, VA.** **Responsibilities include but are not limited to:** + Formulate and publish custom Security Information and Event Management (SIEM) tool content and IDS/IPS signatures to address threats + Perform security event and incident correlation using information gathered from a variety of sources within the enterprise + Analyze and assess damage to the data / infrastructure as a result of cyber incidents + Perform cyber incident trend analysis and reporting. + Characterizes and performs analysis of network traffic and system data to identify anomalous activity and potential threats to resources. + Provide detection, identification, and reporting of possible cyber-attacks/intrusions, anomalous activities, and misuse activities + Create, deploy, and implement threat-based signatures and detection rules for operational intrusion detection capabilities. **Minimum Qualifications:** + Bachelor’s degree or 4+ years of additional cyber experience in lieu of degree + 2+ years of cyber experience + Experience with modern Windows, UNIX, network operating systems, databases, and virtual computing + Experience with enterprise security tools, including Security information and event management (SIEM), Threat intelligence platforms (TIPs), or Network monitoring tools + Experience with creating, modifying, tuning, IDS signatures/SIEM correlation searches and other detection signatures. + Knowledge of implementation of countermeasures or mitigating controls. + DoD 8570 certification meeting IAT Level II (GSEC, Security+, SSCP, or CCNA-Security) **Preferred Qualifications:** + Experience with Linux/Unix **Clearance Requirements:** + Must have a current/active TS/SCI w/Polygraph **Physical Requirements:** + The person in this position must be able to remain in a stationary position 50% of the time. Occasionally move about inside the office to access file cabinets, office machinery, or to communicate with co-workers, management, and customers, via email, phone, and or virtual communication, which may involve delivering presentations. ManTech International Corporation, as well as its subsidiaries proactively fulfills its role as an equal opportunity employer. We do not discriminate against any employee or applicant for employment. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran. If you are a qualified individual with a disability and require a reasonable accommodation to apply for a position with ManTech through its online applicant system, please email us at careers@mantech.com and provide your name and contact information.