New

Information System Security Engineer Level III

System High Corporation
United States, Virginia, Chantilly
15059 Conference Center Drive (Show on map)
Jan 08, 2026
Description Position Overview: System High requires ISSE's who are responsible for the design, development, implementation and/or Integration of the Information Assurance (IA) architecture, system, and system components for an IC client. They provide Information Technology security engineering, integration services, technical assessments, and solutions. Duties & Responsibilities (but not limited to) Identifies information protection needs for enterprise Information Systems (IS) Define IS security requirements Develops and implements security designs for new or existing network systems; ensues that the design of hardware, operating systems, and software applications adequately address IA security requirements Assess threats to and vulnerabilities of IS Assess the effectiveness of information protection measures to IS Ensures identified security deficiencies are mitigated, corrected, or a risk acceptance has been obtained Participates in IS risk assessment and designs security countermeasures to mitigate identified risks Oversee and provide technical guidance to ISSE level 2s Documents system security design features and provides input to implementation plans and standard operating procedures Develop cybersecurity documentation in support of customer RMF process; IAW NIST SP 800-37 Participate in IA Engineering Working Groups, ISSE forums, Integrated Product Teams, and provide IA guidance Ensure the rigorous application of IA control implementation, principles, and practices in the delivery of agency IT systems guided by IC and DoD security policies Qualifications/Skills Ability to interface with clients and develop productive working relationships to meet mission objectives. Independent self-starter, proactive, professional, and assertive. Excellent organizational skills with the ability to handle multiple projects simultaneously. Strong communication and interpersonal skills; verbal and written. Demonstrate a high level of professional confidentiality. Available to work before/after typical office hours as requirements demand. Travel may be required. Desired Skills: Knowledge of and experience with ICD 503 and the Government's certification and accreditation process System methodologies including: client/server, web hosting, web content servers, policy servers, directory servers, firewalls, WAN, MAN, LAN, switches, and routers Experience in technical project management (Level 3) Configuration and supporting Windows, Linux, Unix, Mac OS, VMware, Xen, and Hyper V Configuration and Management (Level 3) Integration Testing (Level 3) Qualifications Clearance TS/SCI with CI Polygraph is required. Years of Experience/Education Requirements Bachelor's degree in STEM desired Ten (10) or more years of experience in IASAE Certifications (one of the following required) CISSP - ISSEP (Information Systems Security Engineering Professional) CISSP - ISSAP (Information Systems Security Architecture Professional) Additional Information This job description is not designed to cover or contain all job duties required of the employee. There may be additional activities, duties and/or responsibilities that are required for this position that are not listed in this job description. In compliance with federal law, all persons hired will be required to verify identity and eligibility to work in the United States and to complete the required employment eligibility verification document form upon hire. System High is a Military friendly employer. Our extensive work on behalf of the U.S. government offers those who have served in uniform an opportunity to continue to serve their country in a new and exciting way while enjoying a successful civilian career. System High Corporation is an Equal Opportunity/Affirmative Action Employer. We consider applicants without regard to race, color, religion, age, national origin, ancestry, ethnicity, gender, gender identity, gender expression, sexual orientation, marital status, veteran status, disability, genetic information, citizenship status, or membership in any other group protected by federal, state, or local law. Equal opportunity legal notices can be viewed on the following PDF's: EEO is the Law; EEO is the Law Supplement; Pay Transparency Nondiscrimination Warning: Beware of recruitment scams: System High will never request money or personal purchases during the hiring process. Verify all communications come from a systemhigh.com or msg.paycomonline.com email address.