Information Systems Security Developer

Work Role ID: 631  |  Workforce Element: Cybersecurity

What does this work role do? Designs, develops, tests, and evaluates information system security throughout the systems development lifecycle.

KSAT ID Description KSAT
8A Knowledge of access authentication methods. Knowledge
21 Knowledge of computer algorithms. Knowledge
22 * Knowledge of computer networking concepts and protocols, and network security methodologies. Knowledge
25 Knowledge of encryption algorithms (e.g., Internet Protocol Security [IPSEC], Advanced Encryption Standard [AES], Generic Routing Encapsulation [GRE], Internet Key Exchange [IKE], Message Digest Algorithm [MD5], Secure Hash Algorithm [SHA], Triple Data Encryption Standard [3DES]). Knowledge
27A Knowledge of cryptology. Knowledge
34 Knowledge of database systems. Knowledge
38 Knowledge of organization’s enterprise information security architecture system. Knowledge
43A Knowledge of embedded systems. Knowledge
46 Knowledge of fault tolerance. Knowledge
51 Knowledge of how system components are installed, integrated, and optimized. Knowledge
52 Knowledge of human-computer interaction principles. Knowledge
63 Knowledge of cybersecurity principles and organizational requirements (relevant to confidentiality, integrity, availability, authentication, non-repudiation). Knowledge
64 Knowledge of information security systems engineering principles. Knowledge
70 Knowledge of information technology (IT) security principles and methods (e.g., firewalls, demilitarized zones, encryption). Knowledge
72 Knowledge of local area and wide area networking principles and concepts including bandwidth management. Knowledge
79 Knowledge of network access, identity, and access management (e.g., public key infrastructure [PKI]). Knowledge
81A Knowledge of network protocols such as TCP/IP, Dynamic Host Configuration, Domain Name System (DNS), and directory services. Knowledge
82A Knowledge of network design processes, to include understanding of security objectives, operational objectives, and tradeoffs. Knowledge
90 Knowledge of operating systems. Knowledge
92 Knowledge of how traffic flows across the network (e.g., Transmission Control Protocol [TCP] and Internet Protocol [IP], Open System Interconnection Model [OSI], Information Technology Infrastructure Library, current version [ITIL]). Knowledge
94 Knowledge of parallel and distributed computing concepts. Knowledge
98 Knowledge of policy-based and risk adaptive access controls. Knowledge
101 Knowledge of process engineering concepts. Knowledge
108 * Knowledge of risk management processes (e.g., methods for assessing and mitigating risk). Knowledge
109 Knowledge of secure configuration management techniques. Knowledge
110A Knowledge of security management. Knowledge
118 Knowledge of software development models (e.g., Waterfall Model, Spiral Model). Knowledge
119 Knowledge of software engineering. Knowledge
121 Knowledge of structured analysis principles and methods. Knowledge
124 Knowledge of system design tools, methods, and techniques, including automated systems analysis and design tools. Knowledge
126 Knowledge of system software and organizational design standards, policies, and authorized approaches (e.g., International Organization for Standardization [ISO] guidelines) relating to system design. Knowledge
129 Knowledge of system life cycle management principles, including software security and usability. Knowledge
130 Knowledge of systems testing and evaluation methods. Knowledge
144 Knowledge of the systems engineering process. Knowledge
177 Skill in designing countermeasures to identified security risks. Skill
179 Skill in designing security controls based on cybersecurity principles and tenets. Skill
197 Skill in discerning the protection needs (i.e., security controls) of information systems and networks. Skill
199 Skill in evaluating the adequacy of security designs. Skill
416 Analyze design constraints, analyze trade-offs and detailed system and security design, and consider lifecycle support. Task
419 Apply security policies to applications that interface with one another, such as Business-to-Business (B2B) applications. Task
425 Assess the effectiveness of cybersecurity measures utilized by system(s). Task
426 Assess threats to and vulnerabilities of computer system(s) to develop a security risk profile. Task
431 Build, test, and modify product prototypes using working models or theoretical models. Task
457 Conduct Privacy Impact Assessments (PIA) of the application’s security design for the appropriate security controls, which protect the confidentiality and integrity of Personally Identifiable Information (PII). Task
494 Design and develop cybersecurity or cybersecurity-enabled products. Task
496A Design, develop, integrate, and update system security measures that provide confidentiality, integrity, availability, authentication, and non-repudiation. Task
501 Design or integrate appropriate data backup capabilities into overall system designs, and ensure appropriate technical and procedural processes exist for secure system backups and protected storage of backup data. Task
503A Design to security requirements to ensure requirements are met for all systems and/or applications. Task
516 Develop and direct system testing and validation procedures and documentation. Task
530 Develop detailed security design documentation for component and interface specifications to support system design and development. Task
531 Develop Disaster Recovery and Continuity of Operations plans for systems under development and ensure testing prior to systems entering a production environment. Task
630 Identify and direct the remediation of technical problems encountered during testing and implementation of new systems (e.g., identify and find work-arounds for communication protocols that are not interoperable). Task
659 Implement security designs for new or existing system(s). Task
662 Incorporate cybersecurity vulnerability solutions into system designs (e.g., Cybersecurity Vulnerability Alerts). Task
737B Perform an information security risk assessment. Task
766A Perform security reviews and identify security gaps in architecture. Task
770 Perform risk analysis (e.g., threat, vulnerability, and probability of occurrence) whenever an application or system undergoes a major change. Task
809 Provide input to the Risk Management Framework process activities and related documentation (e.g., system life-cycle support plans, concept of operations, operational procedures, and maintenance training materials). Task
850 Store, retrieve, and manipulate data for analysis of system capabilities and requirements. Task
856 Provide support to security/certification test and evaluation activities. Task
997 Design and develop key management functions (as related to cybersecurity). Task
998 Analyze user needs and requirements to plan and conduct system security development. Task
1000 Ensure security design and cybersecurity development activities are properly documented (providing a functional description of security implementation) and updated as necessary. Task
1002 Skill in conducting audits or reviews of technical systems. Skill
1072 Knowledge of network security architecture concepts including topology, protocols, components, and principles (e.g., application of defense-in-depth). Knowledge
1073 Knowledge of network systems management principles, models, methods (e.g., end-to-end systems performance monitoring), and tools. Knowledge
1133 Knowledge of service management concepts for networks and related standards (e.g., Information Technology Infrastructure Library, current version [ITIL]). Knowledge
1142 Knowledge of security models (e.g., Bell-LaPadula model, Biba integrity model, Clark-Wilson integrity model). Knowledge
1152 Implement and integrate system development life cycle (SDLC) methodologies (e.g., IBM Rational Unified Process) into development environment. Task
1157 * Knowledge of national and international laws, regulations, policies, and ethics as they relate to cybersecurity. Knowledge
1158 * Knowledge of cybersecurity principles. Knowledge
1159 * Knowledge of cyber threats and vulnerabilities. Knowledge
2354 Employ configuration management processes. Task
5200 Design, implement, test, and evaluate secure interfaces between information systems, physical systems, and/or embedded technologies. Task
6900 * Knowledge of specific operational impacts of cybersecurity lapses. Knowledge
6935 * Knowledge of cloud computing service models Software as a Service (SaaS), Infrastructure as a Service (IaaS), and Platform as a Service (PaaS). Knowledge
6938 * Knowledge of cloud computing deployment models in private, public, and hybrid environment and the difference between on-premises and off-premises environments. Knowledge
KSAT ID Description KSAT
3B Skill in conducting vulnerability scans and recognizing vulnerabilities in information systems and networks. Skill
40 Knowledge of organization’s evaluation and validation requirements. Knowledge
42 Knowledge of electrical engineering as applied to computer architecture, including circuit boards, processors, chips, and associated computer hardware. Knowledge
65A Knowledge of Information Theory (e.g., source coding, channel coding, algorithm complexity theory, and data compression). Knowledge
75 Knowledge of mathematics, including logarithms, trigonometry, linear algebra, calculus, and statistics. Knowledge
78 Knowledge of microprocessors. Knowledge
100 Knowledge of Privacy Impact Assessments. Knowledge
133 Knowledge of key telecommunications concepts (e.g., Routing Algorithms, Fiber Optics Systems Link Budgeting, Add/Drop Multiplexers). Knowledge
173A Skill in integrating and applying policies that meet system security objectives. Skill
177A Knowledge of countermeasure design for identified security risks. Knowledge
180 Skill in designing the integration of hardware and software solutions. Skill
191 Skill in developing and applying security system access controls. Skill
224A Skill in the use of design modeling (e.g., unified modeling language). Skill
542A Develop risk mitigation strategies and cybersecurity countermeasures to address cost, performance, and security risks and to resolve vulnerabilities and recommend security changes to system or system components as needed. Task
542A Develop mitigation strategies to address cost, schedule, performance, and security risks. Task
626 Identify components or elements, allocate security functions to those elements, and describe the relationships between the elements. Task
632 Identify and prioritize essential system functions or sub-systems required to support essential capabilities or business functions for restoration or recovery after a system failure or during a system recovery event based on overall system requirements for continuity and availability. Task
648 Identify, assess, and recommend cybersecurity or cybersecurity-enabled products for use within a system and ensure recommended products are in compliance with organization’s evaluation and validation requirements. Task
710 Monitor and evaluate a system’s compliance with information technology (IT) security, resilience, and dependability requirements. Task
803 Provide guidelines for implementing developed systems to customers or installation teams. Task
808A Provide input to implementation plans and standard operating procedures as they relate to information systems security. Task
860A Trace system requirements to design components and perform gap analysis. Task
874 Utilize models and simulations to analyze or predict system performance under different operating conditions. Task
877A Verify stability, interoperability, portability, and/or scalability of system architecture. Task
904 Knowledge of interpreted and compiled computer languages. Knowledge
936 Develop security compliance processes and/or audits for external services (e.g., cloud service providers, data centers). Task
999 Develop cybersecurity designs to meet specific operational needs and environmental factors (e.g., access controls, automated applications, networked operations, high integrity and availability requirements, multilevel security/processing of multiple classification levels, and processing Sensitive Compartmented Information). Task
1034A Knowledge of Personally Identifiable Information (PII) data security standards. Knowledge
1034B Knowledge of Payment Card Industry (PCI) data security standards. Knowledge
1034C Knowledge of Personal Health Information (PHI) data security standards. Knowledge
1037 Knowledge of information technology (IT) supply chain security and risk management policies, requirements, and procedures. Knowledge
1038B Knowledge of local specialized system requirements (e.g., critical infrastructure/control systems that may not use standard information technology [IT]) for safety, performance, and reliability). Knowledge
1125 Knowledge of Cloud-based knowledge management technologies and concepts related to security, governance, procurement, and administration. Knowledge
1135 Knowledge of the application firewall concepts and functions (e.g., Single point of authentication/audit/policy enforcement, message scanning for malicious content, data anonymization for PCI and PII compliance, data loss protection scanning, accelerated cryptographic operations, SSL security, REST/JSON processing). Knowledge
1140A Skill in using Public-Key Infrastructure (PKI) encryption and digital signature capabilities into applications (e.g., S/MIME email, SSL traffic). Skill
1141A Knowledge of an organization’s information classification program and procedures for information compromise. Knowledge
6918 Ability to apply cybersecurity strategy to cloud computing service and deployment models, identifying proper architecture for different operating environments. Ability
6919 Ability to determine the best cloud deployment model for the appropriate operating environment. Ability