Job Description - Information Systems Security Officer
We are seeking an experienced Information Systems Security Officer (ISSO) to play a key role in ensuring compliance with all applicable security regulations across our programs. This individual will be a seasoned professional with deep technical expertise, responsible for overseeing program and project security implementation while contributing meaningfully to department goals and long‑term planning. The ideal candidate demonstrates sound judgment, knows when to elevate issues appropriately, and collaborates effectively with internal teams and customers.
Please note that this job description is not intended to be an exhaustive list of all responsibilities or duties associated with the role. Responsibilities may evolve or additional tasks may be assigned at any time, with or without notice.
Please Note: U.S. Citizenship is required.
ROLE AND RESPONSIBILITIES:
Responsibilities and duties may include, but are not limited to:
Perform day-to-day maintenance of systems, including auditing and patch management
Perform technical security assessments of complex systems
Identify points of vulnerability, non-compliance with established Information Assurance (IA) standards and regulations, and recommend mitigation strategies
Apply knowledge of IA policy, procedures, and workforce structure to implement secure networking, computing, and enclave environments
Write authorization and accreditation (A&A) documentation and ensure the systems are operated and maintained in accordance with these security plans
Enforce the design and implementation of trusted relationships among external systems and architectures
Support security planning, assessment, risk analysis, and risk management for client systems and programs
Interact with technical team members from multiple organizations in a diversified, team environment
Identify overall security requirements for the proper handling of MTSI and client data
Perform system or network designs that encompass multiple enclaves to include those with differing data protection/classification requirements
Recommend system-level solutions to resolve security requirements
Ensure all users have the requisite security clearances, authorizations, need-to-know, and are aware of their security responsibilities before granting access to client systems
Conduct periodic reviews of information systems to ensure compliance with the security authorization package
Perform key functions (above) and other security-related tasks as directed on multiple systems, at multiple sites, or for multiple clients
Schedule, perform and maintain records of required IS auditing, patching, maintenance, software/hardware changes, and scanning based on evolving threat/vulnerabilities and customer compliance requirements
Assess changes to an information system by performing periodic self-inspections, tests, and reviews of the IS program to ensure that systems are operating as authorized/accredited and that conditions have not changed; ensure corrective actions are taken for identified findings and vulnerabilities
Maintain a working knowledge of information system functions, security policies, technical security safeguards, and operational security measures
Coordinate with Information Systems Security Manager, Facility Security Officer (FSO) and Contractor Program Security Officers (CPSO) to define, implement and maintain information security policies, strategies, and procedures
Implement policies and procedures for responding to security incidents, and for investigating and reporting security violations and incidents
Receive direction/guidance from the MTSI Program Manager and/or Govt technical lead; translate guidance into actionable tasks performed by the project team
Manage/execute medium-large tech tasks
Ensures assigned tech tasks are properly coordinated/ efficiently accomplished w/best available resources
Serve as technical lead for time critical tech projects, test events/tasks requiring senior level tech expertise
Ensure all required resources (e.g. personnel, HW, SW, facilities, security) are identified to support assigned tasks
Coordinate w/Project Manager to verify time phased requirements are identified to meet contractual required deadlines
Accountable for the quality and timely delivery of all technical contract deliverables
Ensure that task related products are consistent in format and content with overall project deliverables
Routinely engage with Govt technical representative + tech leads for our teammates and subcontractors
Acts as a resource/mentor for colleagues with less experience
Works independently, with guidance in only the most complex situations
REQUIRED SKILLS:
Knowledge of federal security requirements and mandates (e.g., RMF, JSIG, FIPS, NIST)
Strong Microsoft Windows background with some knowledge of UNIX/LINUX
Familiarity with security procedures in a SCIF/SAPF environment
Proficiency in multiple technical areas and application of advanced technical/analytical principles
Ability to understand customer needs and translate them into technical solutions
Experience in overseeing technical studies, complex analysis, and generating reports/presentations
Project management or program management knowledge and experience
Strong problem-solving skills, including breaking down complex problems and prioritizing tasks
Excellent communication skills and ability to interface with senior-level customers and teammates
Leadership experience in technical projects, proposals, and internal committees or innovation projects
REQUIRED COMPETENCIES:
All MTSI employees are required to be skilled in the following core competencies:
Collaboration/Teamwork: Engages others across roles through communication and mutual respect, shares insights, enabling effective teamwork to ensure collective success. (teamwork)
Technical and Functional Skills: Leverages technical and functional expertise to deliver high performance, addresses challenges, and supports business needs while pursuing continuous skill development. (domain knowledge)
Entrepreneurialism: Fosters innovation, evaluates ideas, and advances initiatives with sound judgment and organizational awareness to drive growth and impact. (innovation)
Communication: Communicates clearly and effectively, fostering understanding, collaboration, and alignment through active listening and impactful messaging. (effective communication)
Customer Focus: Prioritizes customer needs, builds trust, and delivers exceptional service by using insights to drive improvements and strengthen relationships. (customer insight)
QUALIFICATIONS:
Bachelor’s degree in Computer Science, Information Technology, Information Security, or related field
Ten (10) years of experience working in an IA-related field and/or five (5) to eight (8) years of experience in IT with a heavy emphasis on systems administration
In-depth knowledge of Microsoft Windows OS (client and server)
CompTIA Security+ or higher-level DoD 8570.01/8140.03 certification
Experience with Linux operating system (RedHat Enterprise Linux)
Experience with XACTA-Experience using security hardening, collection, and assessment tools (e.g. SCC, Nessus, Splunk, etc.)
Experience with security architectures, firewalls, and network access
Experience with risk managed downloads, information systems sanitization and destruction, PEDs, contaminations, incident response, virus scanning, privileged user access, and hardware/software configuration management
Experience with A&A documentation and system authorization artifacts
Frequent sitting for long periods using computer keyboard, zoom conferencing, Microsoft teams, telephone etc.
Regular standing and walking to file documents, make copies, meet with leaders/employees in other parts of the building etc.
Keyboarding: Entering text or data into a computer or other machine by means of a traditional keyboard (traditional keyboard refers to a panel of keys used as the primary input device on a computer, typographic machine, or 10-key numeric keypad)
Work is performed in an office environment and requires the ability to operate standard office equipment
Some work (less than 5%) may require moving and lifting of heavy objects
TRAVEL: 10%
CLEARANCE: An active TS/SCI is preferred or the ability to obtain a TS/SCI clearance.
All Job Ads are subject to GrabJobs’s Terms of Service. We allow users to flag postings that may be in violation of those terms. Job Ads may also be flagged by GrabJobs moderation team. However, no moderation system is perfect, and flagging a posting does not ensure that it will be removed.
Be the first to receive the latest Others Full-Time Jobs in the US.
Setup your job alert:
By activating job alerts, I agree to GrabJobs Terms & Privacy Policy. I can unsubscribe to job alerts anytime.
Skip
GrabJobs is the no1 job portal in the US, connecting you to thousands of jobs fast!
Find the best jobs in the US, apply in 1 click and get a job today!
Your email job alert is now active!