Information System Security Engineer III (ISSE III)

*This position requires a TS/SCI Clearance and a minimum of two years of Special Access Program Experience*

At System High Corporationa Top Washington-Area Workplace (The Washington Post) a Top Workplaces Culture Excellence honoree (April 2025) and a three-time VETS Indexes 3-Star Employerwe protect and advance the nations most critical missions. As part of our team youll tackle complex security challenges across SAP SCI and Collateral programs. If youre driven by national security innovation and integrity we want to hear from you.

The Information System Security Engineer (ISSE) is primarily responsible for conducting information system security engineering activities with a focus on lifecycle of current systems and future requirement scoping. The position will collect and process the captured information security requirements and ensures that the requirements are effectively integrated into information systems through purposeful security architecting design development and configuration. The position is an integral part of the development team designing and developing organizational information systems or upgrading legacy systems. The ISSE employs best practices when implementing security requirements within an information system including software engineering methodologies system/security engineering principles secure design secure architecture and secure coding techniques. This positions main function is working within Special Access Programs (SAPs) supporting Department of Defense (DoD) agencies such as HQ Air Force Office of the Secretary of Defense (OSD) and Military Compartments efforts. The position will provide day-to-day support for Collateral Sensitive Compartmented Information (SCI) and Special Access Program (SAP) activities.

Performance shall include:
Perform oversight of the development implementation and evaluation of information system security program policy; special emphasis placed upon integration of existing SAP network infrastructures
Perform analysis of network security based upon the Risk Management Framework (RMF) with emphasize on Joint Special Access Program Implementation Guide (JSIG) authorization process
Provides expert support research and analysis of exceptionally complex problems and processes relating to them.
Provides expert level consultation and technical services on all aspects of Information Security
Serves as technical expert to the Cybersecurity Assessment Program providing technical direction interpretation and alternatives to complex problems.
Builds IA into systems deployed to operational environments.
Assists architects and systems developers in the identification and implementation of appropriate information security functionality to ensure uniform application of DoD and other agencies security policy and enterprise solutions
Enforce the design and implementation of trusted relations among external systems and architectures.
Assesses and mitigates system security threats/risks throughout the program life cycle.
Contributes to the security planning assessment risk analysis risk management certification and awareness activities for system and networking operations.
Thinks independently and demonstrates exceptional written and oral communications skills. Applies advanced technical principles theories and concepts.
Contributes to the development of new principles concepts and methodologies.
Works on unusually complex technical problems and provides highly innovative and ingenious solutions.
Lead a team of System Security Engineers and Certification and Accreditation Analysts responsible for ensuring the customers national and international security interests are protected as support equipment are designed and tested
Recommends cybersecurity software tools and assists in the development of software tool requirements and selection criteria to include the development of product specific STIGs from applicable DISA SRGs.
Review ISSE related designs and provides security compliance recommendations
Leads technical teams in implementation of predetermined long-range goals and objectives.
Supports customer and SAP community IA working groups participate in SSE IPT reviews

Provides expert level consultation and technical services on all aspects of Information Security
Review ISSE related designs and provides security compliance recommendations
Develop and provide IA risk management recommendations to the customer
Provide ISSE support for Mission and Training systems design and development
Assist with development and maintenance of the Program Protection Plan
Assist with site activation activities and design reviews
Represent the customer in various ISSE related working groups advisory groups and advisory council meetings
Chair and or Co-Chair customer and SAP community IA working groups participate in ISSE IPT reviews
Represent the customer in various SSE related working groups advisory groups and advisory council meetings
Strong background in Patch/Configuration management DevOps and tier 3 support
Assist team to design integrate and implement JSIG/RMF Continuous Monitoring tools and processes
Integrate COTS & GOTS products to collect display and remediate a variety of automated system security and system operations/performance functions and metrics.
Perform security assessments of servers/network devices/security appliances
Develop improvements to security assessments with regard to accuracy and efficiency
Integrate ancillary monitoring tools/capabilities with the enterprise security information and event management (SIEM) and create/tailor complex event alarms/rules and summary reports
Write and execute cybersecurity test procedures for validation of control compliance
Monitor/analyze output of cybersecurity related tools for reportable security incidents and residual risk
Analyze technical risk of emerging cybersecurity tools and processes
Work as part of a security incident response team as needed
Build operational Operations and Maintenance (O&M) checklists to maintain the service (daily weekly monthly yearly O&M checklists); build Tactics Techniques and Processes (TTPs) and Standard Operating Processes (SOPs) associated with service checklists
Integrate/Develop new techniques to improve Confidentiality Integrity and Availability for networks/systems operating at various classification levels
Advanced technical competency in one or more of the following supported platforms: Microsoft Windows Server Active Directory Red Hat Enterprise Linux servers MS Hyper- V/VMWare/ESx/Xen Hypervisors Enterprise networking/firewalls/intrusion detection/prevention systems forensic analysis/vulnerability assessment Group Policy management and configuration Scripting BMC Footprints WSUS Lumension Bitlocker SQL Server 2012 TomCat IIS Windows Server 2012r2/2016 Win 10 Red Hat 6.5 Microsoft Office
Toolkits SEIMs Logrhythm ACAS/Nessus/SCAP mandatory/role-based access control concepts (e. g. SE Linux extensions to RHEL PitBull AppArmor and Sentris) video teleconferencing/VOIP Oracle/MS SQL database security and Apache/IIS Web server security.

Experience:
15 years related experience
Prior performance in roles such as ISSO ISSM SCA or SAP IT Technical Director
Education:
Masters degree in a related discipline or equivalent experience (6 years)
Certifications:
Must meet position and certification requirements outlined in DoD Directive 8570.01-M for Information Assurance Architect and Engineer Level II (IASAE II) or Information Assurance Architect and Engineer Level III (IASAE III) within 6 months of the date of hire.
Security Clearance:
Current Top Secret Clearance with SCI Eligibility
Eligibility for access to Special Access Program Information
Willingness to submit to a Counterintelligence polygraph
Other Requirements:
Must have expert knowledge of DoD National and applicable service and agency security policy manuals and standards.

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 values the power and strength of diverse backgrounds on the culture and performance of our company. We strive to maintain an inclusive culture to encourage each employee to bring their whole self to the mission.
• System High Corporation is committed to equal employment opportunity regardless of race color ancestry religion sex national origin sexual orientation age citizenship marital status disability gender gender identity or expression veteran status or any other characteristic protected by law. We are proud to be an equal opportunity workplace.
• If you require a reasonable accommodation to apply for a position with us please email .
• Legal notices can be viewed on the following PDFs: Know Your Rights: Workplace Discrimination is Illegal; EPPA Notice; FMLA Notice

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