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Information Systems Security Engineer (ISSE) III

Modern Technology Solutions, Inc.
401(k)
United States, New Mexico, Albuquerque
2000 Wyoming Boulevard Southeast (Show on map)
Jan 22, 2026
MTSI is currently seeking to hire an Information Systems Security Engineer (ISSE) III to join our team in Albuquerque, New Mexico.
Position Overview:
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 position's 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.
Role and Responsibilities:
  • Information Assurance (IA) System Security Engineer III(ISSE III)
  • 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
  • Write and execute cybersecurity test procedures for validation of control compliance
  • Monitor/analyze output of cybersecurity related tools for reportable security incidents and 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.
Qualifications and Education Requirements:
Experience:
  • 15+ years related experience
  • 2 Years SAP Experience (Must be clearly noted at beginning of resume)
  • Prior performance in roles such as ISSO, ISSM, SCA or SAP IT Technical Director
Education:
  • Master's 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 or Information Assurance Architect and Engineer Level III
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.
#LI-AT1





  • Interesting Work:



    Our co-workers support some of the most important and critical programs to our national defense and security.






  • Values:



    Our first core value is that employees come first. We challenge our co-workers to provide the highest level of support and service, and reward them with some of the best benefits in the industry.






  • 100% Employee Owned:



    We have a stake in each other's success, and the success of our customers. It's also nice to know what's going on across the company; we have company wide town-hall meetings three times a year.






  • Great Benefits - Most Full-Time Staff Are Eligible for:





    • Starting PTO accrual of 20 days PTO/year + 10 holidays/year


    • Flexible schedules


    • 6% 401k match with immediate vesting up to $9k annually


    • Semi-annual bonus eligibility (July and December)


    • Company funded Employee Stock Ownership Plan (ESOP) - a separate qualified retirement account


    • Up to $10,000 in annual educational reimbursement


    • Other company funded benefits, like life and disability insurance


    • Optional zero deductible Blue Cross/Blue Shield health insurance plan







  • Track Record of Success:



    We have grown every year since our founding in 1993.




Modern Technology Solutions, Inc. (MTSI) is a 100% employee-owned engineering services and solutions company that provides high-demand technical expertise in Digital Transformation, Modeling and Simulation, Rapid Capability Development, Test and Evaluation, Artificial Intelligence, Autonomy, Cybersecurity and Mission Assurance

MTSI delivers capabilities to solve problems of global importance. Founded in 1993, MTSI today has employees at over 20 offices and field sites worldwide.

For more information about MTSI, please visit www.mtsi-va.com

MTSI embraces nine core values including our first core value of Employees come first. Consistent with our Core Values, we are committed to Equal Opportunity, making decisions without regard to race, color, religion, sex, national origin, age, military/veteran status, disability, or any other characteristics protected by applicable law. MTSI is committed to Equal Employment Opportunity and providing reasonable accommodations to applicants and employees with physical and/or mental disabilities.


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