Information Systems Security Engineer

Information Systems Security Engineer (ISSE) Base-2 Solutions is seeking a highly skilled and motivated Information Systems Security Engineer (ISSE) to join our team. Our ISSEs play a critical role in safeguarding cutting-edge systems that support national defense and mission-critical operations. We are looking for security professionals who bring expertise in system security design, risk management, and cybersecurity frameworks, as well as strong leadership qualities and an eagerness to tackle complex challenges. Our ideal candidate will demonstrate versatility, attention to detail, and a commitment to protecting sensitive information and systems as we continue to push technology forward. Essential Duties and Responsibilities Develops, implements, and maintains security solutions for complex systems to ensure confidentiality, integrity, and availability. Conducts system security analysis, risk assessments, and vulnerability assessments to identify and mitigate risks. Supports the development of security architecture and system security engineering artifacts based on NIST, DoD, and IC policies and guidelines. Collaborates with system architects, software engineers, and network engineers to incorporate security requirements into system design. Develops and maintains System Security Plans (SSPs), Security Assessment Reports (SARs), and related Risk Management Framework (RMF) documentation. Performs continuous monitoring and ensures compliance with applicable security standards (NIST SP 800-53, ICD 503, CNSS, etc.). Provides recommendations for improving system security posture and addresses security incidents as they arise. Engages in security testing, evaluation, and certification & accreditation (C&A) activities. Interfaces with government customers and stakeholders to effectively communicate technical information and security strategies. Required Qualifications Experience with security frameworks and standards such as NIST SP 800-53, RMF, ICD 503, CNSS, DoD STIGs. Experience with security tools such as ACAS, Nessus, Tenable, Splunk, Wireshark, HBSS, McAfee ePO. Experience with security technologies including Firewalls, IDS/IPS, SIEMs, VPNs, PKI, Multi-Factor Authentication. Experience with system security documentation: SSPs, POA&Ms, SARs, Security Control Traceability Matrix (SCTM). Experience with Linux, Unix, Windows, and Virtualization technologies (VMware, Hyper-V). Experience with cloud platforms such as AWS, Azure, Google Cloud with a focus on cloud security. Experience with encryption protocols and technologies such as TLS/SSL, IPsec, VPN, PKI. Experience with security testing tools: Nmap, Metasploit, Burp Suite, Kali Linux. Scripting and automation experience: Python, PowerShell, Bash. Knowledge of system development lifecycle (SDLC), software assurance, and secure coding practices. Experience with collaboration and issue-tracking tools like JIRA, Confluence, ServiceNow. Certifications such as CISSP, CAP, CEH, Security+, AWS Security Specialty, or equivalent. Required Certifications CISSP CAP CEH Security+ AWS Security Specialty or equivalent Required Security Clearance Active Top Secret/SCI with Full Scope Polygraph Base2 Solutions