ISSE / Systems Security Engineer

Overview ISSE / SYSTEMS SECURITY ENGINEER (CORPIT) Bowhead is seeking a skilled full-time ISSE / Systems Security Engineer to join our team in Dahlgren, VA. The ideal candidate will have a strong background in computer networking concepts and protocols, as well as network security methodologies. The Systems Security Engineer will be responsible for identifying and mitigating vulnerabilities in security systems, conducting vulnerability scans, and applying system, network, and operating system hardening techniques. Responsibilities Key Responsibilities : Conducting vulnerability scans and recognizing vulnerabilities in security systems. Using DoD network analysis tools to identify vulnerabilities (e.g., ACAS, HBSS, etc.). Conducting application vulnerability assessments. Identifying systemic security issues based on the analysis of vulnerability and configuration data. Sharing meaningful insights about the context of an organization’s threat environment that improve its risk management posture. Applying cybersecurity and privacy principles to organizational requirements (relevant to confidentiality, integrity, availability, authentication, non-repudiation). Troubleshooting and diagnosing cyber defense infrastructure anomalies and working through resolution. Performing impact / risk assessments. Hardening containerized software deployments. Utilizing SIEM software to monitor logs. Required Skills : Skill in conducting vulnerability scans and recognizing vulnerabilities in security systems. Skill in using DoD network analysis tools to identify vulnerabilities (e.g., ACAS, HBSS, etc.). Skill in system, network, and OS hardening techniques (e.g., remove unnecessary services, password policies, network segmentation, enable logging, least privilege, etc.). Skill in conducting application vulnerability assessments. Ability to identify systemic security issues based on the analysis of vulnerability and configuration data. Ability to share meaningful insights about the context of an organization’s threat environment that improve its risk management posture. Ability to cybersecurity and privacy principles to organizational requirements (relevant to confidentiality, integrity, availability, authentication, non-repudiation). Tenable Assured Compliance Assessment Solution (ACAS) Trellix Endpoint Security System (ESS), previously known as McAfee Host Based Security System (HBSS)Skill in implementing SonarQube and Fortify code scanning. Skill in utilizing Splunk SIEM and SOAR. Skill in applying host / network access controls (e.g., access control list). Skill in using Virtual Private Network (VPN) devices and encryption. Skill in securing network communications. Skill in protecting a network against malware. (e.g., NIPS, anti-malware, restrict / prevent external devices, spam filters). Skill in troubleshooting and diagnosing cyber defense infrastructure anomalies and work through resolution. Skill in performing impact / risk assessments. Skill to develop insights about the context of an organization’s threat environment Skill to apply cybersecurity and privacy principles to organizational requirements (relevant to confidentiality, integrity, availability, authentication, non-repudiation). Qualifications High School Diploma or Bachelor's degree required and at least five (5) or more years of relavent expereince. Knowledge of computer networking concepts and protocols, and network security methodologies. Knowledge of network security architecture concepts including topology, protocols, components, and principles (e.g., application of defense-in-depth & concept of zero trust). Knowledge of basic system, network, and OS hardening techniques. Knowledge of Intrusion Detection System (IDS) / Intrusion Prevention System (IPS) tools and applications. Knowledge of network protocols such as TCP / IP, Dynamic Host Configuration, Domain Name System (DNS), and directory services. Knowledge of application vulnerabilities. Knowledge of system administration, network, and operating system hardening techniques. Knowledge of system administration concepts for operating systems such as but not limited to Unix / Linux, IOS, Android, and Windows operating systems. DOD 8570 IAT level II certification is required (i.e., CompTIA Securityce). Preferred : Knowledge of cyber threats and vulnerabilities. Knowledge of specific operational impacts of cybersecurity lapses. Knowledge of host / network access control mechanisms (e.g., access control list, capabilities list). Knowledge of cybersecurity and privacy principles and organizational requirements (relevant to confidentiality, integrity, availability, authentication, non-repudiation). Knowledge of network traffic analysis methods. Knowledge of Virtual Private Network (VPN) security. Knowledge of transmission records (e.g., Bluetooth, Radio Frequency Identification (RFID), Infrared Networking (IR), Wireless Fidelity (Wi-Fi). paging, cellular, satellite dishes, Voice over Internet Protocol (VoIP)), and jamming techniques that enable transmission of undesirable information, or prevent installed systems from operating correctly. Knowledge of network access, identity, and access management (e.g., public key infrastructure, Oauth, OpenID, SAML, SPML). Knowledge of system and application security threats and vulnerabilities (e.g., buffer overflow, mobile code, cross-site scripting, Procedural Language / Structured Query Language [PL / SQL] and injections, race conditions, covert channel, replay, return-oriented attacks, malicious code). Knowledge of different classes of attacks (e.g., passive, active, insider, close-in, distribution attacks). Knowledge of application security risks. Physical Demands : Must be able to lift up to 10 pounds Must be able to stand and walk for prolonged amounts of time Must be able to twist, bend and squat periodically SECURITY CLEARANCE REQUIREMENTS : Must currently hold a security clearance at the Top Secret level. US Citizenship is a requirement for Top Secret clearance at this location. LI-JR1