Information System Security Engineer

Job Description CSCI Consulting is looking for a skilled Information System Security Engineer (ISSE) to support a Department of Defense (DoD) modernization initiative. This role provides the opportunity to apply hands-on cybersecurity engineering expertise across complex on-premises and cloud environments while supporting mission-critical transportation and logistics operations. As part of a collaborative cybersecurity team, you will work alongside architects, ISSOs, system administrators, and government stakeholders to implement security controls, strengthen system security posture, and support compliance with Department of Defense cybersecurity requirements. Responsibilities Implement and document Security Technical Implementation Guide (STIG) configurations across assigned systems and platforms Conduct Security Impact Analyses (SIAs) for system modifications, upgrades, and enhancements Execute automated compliance validation and configuration assessments using SCAP Compliance Checker Manage vulnerability identification, tracking, remediation, and reporting activities using Tenable Security Center or similar tools Assess cloud infrastructure security posture utilizing Tenable Cloud Security or comparable cloud security assessment platforms Support CyberArk Privileged Access Management (PAM) implementation and administration activities Develop and maintain secure configuration baselines and system hardening standards Author technical security implementation guides and supporting cybersecurity documentation Collaborate with engineering and cybersecurity teams to implement and validate security controls Support cybersecurity architecture initiatives and technical security implementations Minimum Requirements Active Secret Security Clearance 3–5 years of experience in cybersecurity engineering, system hardening, vulnerability management, or information assurance Hands-on experience with STIG Viewer and SCAP Compliance Checker Experience using Tenable Security Center (SC) or equivalent vulnerability management solutions Strong knowledge of secure configuration management principles and cybersecurity best practices Ability to communicate effectively with technical and non-technical stakeholders Strong analytical, troubleshooting, and technical documentation skills DoD 8140.03M DCWF Basic Tier Certification; CEH required Creativity and adaptability in problem-solving Ability to work with clients to understand their needs Strong organizational and time-management skills Excellent written and verbal communication skills Professional presence Preferred Skills Experience administering or supporting CyberArk Privileged Access Management (PAM) solutions Familiarity with Tenable Cloud Security or similar cloud security assessment tools Experience supporting DoD cloud environments (Impact Levels 2–6) Experience implementing cybersecurity controls within RMF-authorized environments Knowledge of NIST SP 800-53, DISA STIGs, and DoD cybersecurity requirements Bachelor's degree in Computer Science, Cybersecurity, Information Technology, Information Systems, Software Engineering, Data Science, or a related technical field One or more DoD 8140.03M DCWF Intermediate certifications, including CEH Practical (CEH-P), RCCE Level 1, Cloud+, CPTE, FITSP-A, GCED, GCIH, GCSA, GICSP, GSEC, PenTest+, or Security+ Ability to work in a team environment, as well as independently Strong customer and vendor relationship skills Demonstrated ability to comply with data standards and policies Motivation to learn new technologies and methodologies that demonstrate value Past experience working with a Federal agency Department of War experience is a plus! About CSCI CSCI is an award-winning information technology and financial management consulting firm founded on one simple philosophy: “Do what is right, always.” We apply this philosophy across all elements of our growing business, from delivering world-class s ervices for customers to providing an environment where associates thrive both personally and professionally. At CSCI, work and fun aren’t diametrically opposed! At CSCI, our goal is to hire people with proven track records and retain them with an energizing, diverse company culture. We value each associate’s natural drive to excel, and we provide them with the freedom to do things their way. CSCI seeks the best and brightest in the industry—those who are ready to move their lives and career forward. Join us today and get excited about Mondays again! Benefits of Working at CSCI Competitive salaries Generous Paid Time Off (PTO) package Paid holidays aligned to the Federal calendar Full health benefits including medical, dental, vision, and life insurance   401(k) retirement plan Team building events Professional development support   Legal CSCI complies with all applicable Federal, state, and local employment regulations. Please reach out to [email protected] with any questions.   Equal Employment Opportunity All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class. CSCI provides affirmative action in employment for qualified Individuals with a Disability and Protected Veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans’ Readjustment Assistance Act. If you require an accommodation, please contact CSCI Human Resources for further assistance. For questions regarding the qualifications listed above, please contact the CSCI Recruiting Team. E-Verify CSCI participates in E-Verify to confirm the employment eligibility of all newly hired employees. For more information, please visit  www.dhs.gov/E-Verify .   Califor