Job DescriptionJob DescriptionCompany 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 SOSi is seeking a highly skilled Senior Data Engineer to support a US government customer in Chantilly, VA. This role, requires working with a team of developers, data scientists, SMEs, and cyber analysts to design, develop, build, and analyze data management systems. The data engineer will work with and analyze our client's challenges and provide solutions by designing and implementing batch and streaming data pipelines. Essential Job Duties Develop and perform ETL on large unstructured datasets. Building and maintaining CI/CD pipelines for data and platform services. Qualifications Minimum Requirements Active in-scope TS/SCI clearance with poly. This security clearance requires U.S. citizenship. Candidates will not be nominated for new clearances. 5-7 years of experience as a Data Engineer (or equivalent), with a STEM degree (field such as computer science, statistics, data analytics, computer engineering, mathematics, etc.). Experience with services including Apache Kafka, Apache Spark, and Prefect Experience containerizing applications using Docker and deployments on Kubernetes Familiarity with Linux-based systems Solid understanding of DevOps principles (automation, monitoring, reliability) Preferred Qualifications Experience in the US Intelligence Community. Additional Information Work Environment Office setting with a combination of desk work and meetings. Working at SOSi All interested individuals will receive consideration and will not be discriminated against for any reason.
04/26/2026
Full time
Job DescriptionJob DescriptionCompany 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 SOSi is seeking a highly skilled Senior Data Engineer to support a US government customer in Chantilly, VA. This role, requires working with a team of developers, data scientists, SMEs, and cyber analysts to design, develop, build, and analyze data management systems. The data engineer will work with and analyze our client's challenges and provide solutions by designing and implementing batch and streaming data pipelines. Essential Job Duties Develop and perform ETL on large unstructured datasets. Building and maintaining CI/CD pipelines for data and platform services. Qualifications Minimum Requirements Active in-scope TS/SCI clearance with poly. This security clearance requires U.S. citizenship. Candidates will not be nominated for new clearances. 5-7 years of experience as a Data Engineer (or equivalent), with a STEM degree (field such as computer science, statistics, data analytics, computer engineering, mathematics, etc.). Experience with services including Apache Kafka, Apache Spark, and Prefect Experience containerizing applications using Docker and deployments on Kubernetes Familiarity with Linux-based systems Solid understanding of DevOps principles (automation, monitoring, reliability) Preferred Qualifications Experience in the US Intelligence Community. Additional Information Work Environment Office setting with a combination of desk work and meetings. Working at SOSi All interested individuals will receive consideration and will not be discriminated against for any reason.
Job DescriptionJob DescriptionCompany 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 Overview SOSi is seeking a Senior Threat Hunter to support proactive cyber defense activities in alignment with our customer. This role is responsible for conducting threat hunting operations, analyzing data from multiple sources to identify malicious activity, supporting detection and response efforts, and applying advanced analytical techniques to improve cyber defense operations. Responsibilities Conduct proactive threat hunting to identify malicious activity, indicators of compromise, and anomalous behavior across the enterprise Analyze data from logs, sensors, endpoint detection and response (EDR) tools, and full packet capture (PCAP) sources to detect threats Apply threat hunting methodologies using MITRE ATT&CK and MITRE D3FEND frameworks Support detection, analysis, and response to cyber threats in coordination with SOC and incident response teams Perform analysis of TCP/IP traffic, intrusion detection system (IDS) data, malware activity, and adversary tactics, techniques, and procedures (TTPs) Use scripting and query tools to support threat analysis, data hunting, and development of analytical outputs Support development of threat hunting products, reporting, and recommendations to improve cyber defense detection and monitoring Qualifications Experience: Five (5) or more years of experience in data hunting, manipulation, and presentation Management or team lead experience Experience with MITRE ATT&CK and MITRE D3FEND Experience analyzing TCP/IP, IDS data, PCAP, logs, and sensor data Experience supporting malware analysis Experience with Endpoint Detection and Response (EDR) tools Experience with scripting or query languages including R, Python, PIG, HIVE, or SQL Education: Bachelor's Degree (Bachelor's Degree may be substituted with additional 4+ years of experience as approved by Government) Certifications: One of: CISSP (Associate) CCSP SSCP GCIH GNFA GCIA Plus one DoD 8570 CSSP certification in: CSSP Analyst CSSP Infrastructure Support CSSP Incident Responder Clearance/Suitability: Secret (active), Top Secret, SCI Eligible Additional Information Work Environment Normal office conditions with potential to perform duties in deployed 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.
04/26/2026
Full time
Job DescriptionJob DescriptionCompany 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 Overview SOSi is seeking a Senior Threat Hunter to support proactive cyber defense activities in alignment with our customer. This role is responsible for conducting threat hunting operations, analyzing data from multiple sources to identify malicious activity, supporting detection and response efforts, and applying advanced analytical techniques to improve cyber defense operations. Responsibilities Conduct proactive threat hunting to identify malicious activity, indicators of compromise, and anomalous behavior across the enterprise Analyze data from logs, sensors, endpoint detection and response (EDR) tools, and full packet capture (PCAP) sources to detect threats Apply threat hunting methodologies using MITRE ATT&CK and MITRE D3FEND frameworks Support detection, analysis, and response to cyber threats in coordination with SOC and incident response teams Perform analysis of TCP/IP traffic, intrusion detection system (IDS) data, malware activity, and adversary tactics, techniques, and procedures (TTPs) Use scripting and query tools to support threat analysis, data hunting, and development of analytical outputs Support development of threat hunting products, reporting, and recommendations to improve cyber defense detection and monitoring Qualifications Experience: Five (5) or more years of experience in data hunting, manipulation, and presentation Management or team lead experience Experience with MITRE ATT&CK and MITRE D3FEND Experience analyzing TCP/IP, IDS data, PCAP, logs, and sensor data Experience supporting malware analysis Experience with Endpoint Detection and Response (EDR) tools Experience with scripting or query languages including R, Python, PIG, HIVE, or SQL Education: Bachelor's Degree (Bachelor's Degree may be substituted with additional 4+ years of experience as approved by Government) Certifications: One of: CISSP (Associate) CCSP SSCP GCIH GNFA GCIA Plus one DoD 8570 CSSP certification in: CSSP Analyst CSSP Infrastructure Support CSSP Incident Responder Clearance/Suitability: Secret (active), Top Secret, SCI Eligible Additional Information Work Environment Normal office conditions with potential to perform duties in deployed 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.
Job DescriptionJob DescriptionCompany 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 SOSi is seeking skilled Senior Full Stack/UI Developer to support a US government customer in Chantilly, VA. This role will be responsible for designing, developing, and maintaining cyber analytic applications. This role involves collaborating with cyber SMEs, data scientists, and engineers to translate complex technical requirements into responsive user interfaces and robust backend services. Qualifications Minimum Requirements Active in-scope TS/SCI clearance with poly. This security clearance requires U.S. citizenship. Candidates will not be nominated for new clearances. 3-5 years of hands-on experience in full-stack and UI development, or equivalent practical experience, with a STEM degree (field such as computer science, statistics, data analytics, computer engineering, mathematics, etc.). Experience building scalable and robust backend systems. Experience building user interfaces Familiarity with AI/ML applications Solid understanding of DevOps principles (automation, monitoring, reliability) Preferred Qualifications Experience in the US Intelligence Community. Additional Information Work Environment Office setting with a combination of desk work and meetings. Working at SOSi All interested individuals will receive consideration and will not be discriminated against for any reason.
04/26/2026
Full time
Job DescriptionJob DescriptionCompany 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 SOSi is seeking skilled Senior Full Stack/UI Developer to support a US government customer in Chantilly, VA. This role will be responsible for designing, developing, and maintaining cyber analytic applications. This role involves collaborating with cyber SMEs, data scientists, and engineers to translate complex technical requirements into responsive user interfaces and robust backend services. Qualifications Minimum Requirements Active in-scope TS/SCI clearance with poly. This security clearance requires U.S. citizenship. Candidates will not be nominated for new clearances. 3-5 years of hands-on experience in full-stack and UI development, or equivalent practical experience, with a STEM degree (field such as computer science, statistics, data analytics, computer engineering, mathematics, etc.). Experience building scalable and robust backend systems. Experience building user interfaces Familiarity with AI/ML applications Solid understanding of DevOps principles (automation, monitoring, reliability) Preferred Qualifications Experience in the US Intelligence Community. Additional Information Work Environment Office setting with a combination of desk work and meetings. Working at SOSi All interested individuals will receive consideration and will not be discriminated against for any reason.