Ashburn, VA, USA Full-time FLSA Status: Exempt Clearance Requirement: Top Secret **Company Description** Founded in 1989, SOSi is among the largest private, founder-owned technology and services integrators in the defense and government services industry. We deliver tailored solutions, tested leadership, and trusted results to enable national security missions worldwide. **Job Description** **_**This position is contingent upon contract award**_** SOSi is seeking highly qualified senior professionals to support a DHS enterprise cybersecurity program providing 24/7 Security Operations Center (SOC) services. These roles deliver leadership, operational oversight, and technical expertise across cyber defense, incident response, intelligence, engineering, and modernization activities. **Job Description** Leads digital forensics and insider-threat investigations; ensures evidence handling, chain-of-custody, and high-confidence analysis that supports rapid incident containment and remediation. **Responsibilities** + Conduct host- and network-based forensics, malware triage, and insider-threat investigations. + Develop dashboards, reports, and workflow diagrams for forensics/IR processes; mentor junior analysts. + Coordinate with DHS and law-enforcement investigative entities; manage escalations and reporting. **Qualifications** + **Experience** : 7+ years overall and 5+ years hands-on, including the last 2 years performing host- and network-based monitoring. + **Tools** : Insider-threat monitoring, host-based forensic suites, IDS/IPS, SIEM, EDR, and ticket/case management platforms. + **Certifications** : GCFA, GCIH, or equivalent preferred. + **Clearance** : TS, SCI-eligible. **Additional Information** **Work Environment** + Work hybrid/on-site as required. + Normal office conditions with potential to perform duties in CONUS locations. + Core hours of operation are Monday through Friday, 0600 – 1700. + May be requested to work evenings and weekends to meet program and contract needs. **Working at SOSi** All interested individuals will receive consideration and will not be discriminated against for any reason. SOSi is an equal employment opportunity employer and affirmative action employer. All interested individuals will receive consideration and will not be discriminated against on the basis of race, color, religion, sex, national origin, disability, age, sexual orientation, gender identity, genetic information, or protected veteran status. SOSi takes affirmative action in support of its policy to advance diversity and inclusion of individuals who are minorities, women, protected veterans, and individuals with disabilities.