Information System Security Engineer (ISSE)- Sr

**Responsibilities & Qualifications** **RESPONSIBILITIES** **Position Responsibilities** :Services to support Information System Engineering performed by the Information System Security Engineer (ISSE) includes the following activities: + Identify information protection needs for an Information Security and Network Environment + Define controlled systems and network environment security requirements in accordance with applicable cybersecurity requirements + Design security architectures for use within the Information Security and Network Environment + Design and develop cybersecurity-enabled products for use within the Information Security and Network Environment + Integrate and/or implement security with Cross Domain Solutions (CDS) for use within the systems and network environment + Develop and implement security designs for new or existing network system(s). Ensure that the design of hardware, operating systems, and software applications adequately address cybersecurity requirements for the systems and network environment + Design, develop, and implement network security measures that provide confidentiality, integrity, availability, authentication, and non-repudiation + Design, develop, and implement specific cybersecurity countermeasures for the Information Security and Network Environment + Develop interface specifications for the Information Security and Network Environment + Develop approaches to mitigate systems and network environment vulnerabilities and recommend changes to network or network system components as needed + Ensure that network system(s) designs support the incorporation of federal agency directed cybersecurity vulnerability solutions **REQUIRED QUALIFICATIONS** + Mandatory: Must hold an active TOP SECRET clearance with the ability to obtain an SCI + Familiarity with the use and operation of security tools including Tenable Nessus and/or Security Center, IBM Guardium, HP WeblInspect, Network Mapper (NMAP), and/or similar applications. + Preferred: Experience with Joint Cybersecurity Authorization Management (JCAM) and/or Xacta + Hold at least one of the following certifications: Certified Information Systems Security Professional (CISSP), Global Information Security Professional (GISP), or the CompTIA Advanced Security Practitioner (CASP), Certified Secure Software Lifecycle (CSSLP), CISSP Special Focus - Information System Security Engineering Professional (ISSEP), CISSP Special Focus - Information System Security Architecture Professional (ISSAP), and/or other certifications exemplifying skill sets such as those described in DoD Instruction 8570.1 Information Assurance Management (IAM) Level II proficiency. + A bachelor's and/or advanced degree in Computer Science, Cybersecurity, or IT-related discipline is preferred. + Minimum 8 years' experience, or equivalent education/experience. For example: Doctorate plus 6 years of experience; Master's plus 6 years of experience; Associates plus 10 years of experience; or H.S./GED plus 14 years of experience. **COMPETENCIES** + Oral Communication + Written Communication + Strategic Thinking + Technical Expertise + Initiative + Foster Innovation + Results Oriented + Teamwork **Overview** We are seeking an Information System Security Engineer (ISSE) to join our team supporting a government customer. TekSynap is a fast-growing high-tech company that understands both the pace of technology today and the need to have a comprehensive well planned information management environment. "Technology moving at the speed of thought" embodies these principles - the need to nimbly utilize the best that information technology offers to meet the business needs of our Federal Government customers. The Information System Security Engineer (ISSE) is responsible for designing, developing, and integrating secure information systems. Working closely with architects, developers, and security teams, the ISSE ensures that security requirements are embedded throughout the system lifecycle-from initial design to deployment and maintenance. This role involves conducting threat modeling, implementing security architectures, and validating system compliance with applicable standards such as NIST, RMF, and DoD directives. The ISSE is instrumental in bridging the gap between cybersecurity policy and technical implementation. **About the team** : This position is part of a contract supporting a federal agency. The team provides Information Systems Security Officer (ISSO), Information Systems Security Engineer (ISSE), and Information Systems Security Representative (ISSR) experts as a service through ISaaS to deliver vulnerability, compliance, and risk management services as part of a cybersecurity workforce. Tasks include creating a mission-focused IT security environment that supports a federal agency's workforce; prioritizing efficiency and encouraging innovation; integrating security into all aspects of IT information systems; and providing comprehensive delivery of security services. We offer our full-time employees a competitive benefits package to include health, dental, vision, 401K, life insurance, short-term and long-term disability plans, vacation time and holidays. Visit us at . Apply now to explore jobs with us! The safety and health of our employees is of the utmost importance. Employees are required to comply with any contractually mandated Federal COVID-19 requirements. More information can be foundhere ( . "As part of the application process, you agree that TekSynap Corporation may retain and use your name, e-mail, and contact information for purposes related to employment consideration". **Additional Job Information** **WORK ENVIRONMENT AND PHYSICAL DEMANDS** The work environment characteristics described here are representative of those an employee encounters while performing the essential functions of the job. Reasonable accommodation may be made to enable individuals with disabilities to perform the essential functions. + Location: Washington, DC or Huntsville, AL + Remote or In-Person: 100% onsite + Type of environment: Office + Noise level: Medium + Work schedule: Schedule is day shift Monday - Friday. + Amount of Travel: Less than 10% **PHYSICAL DEMANDS** The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions. **WORK AUTHORIZATION/SECURITY CLEARANCE** + S. Citizen + Active Top Secret clearance required **OTHER DUTIES** Please note this job description is not designed to cover or contain a comprehensive listing of activities, duties or responsibilities that are required of the employee for this job. Duties, responsibilities, and activities may change at any time with or without notice. **EQUAL EMPLOYMENT OPPORTUNITY** In order to provide equal employment and advancement opportunities to all individuals, employment decisions will be based on merit, qualifications, and abilities. TekSynap does not discriminate against any person because of race, color, creed, religion, sex, national origin, disability, age, genetic information, or any other characteristic protected by law (referred to as "protected status"). This nondiscrimination policy extends to all terms, conditions, and privileges of employment as well as the use of all company facilities, participation in all company-sponsored activities, and all employment actions such as promotions, compensation, benefits, and termination of employment. **Job Locations** _US-DC-Washington | US-AL-Huntsville_ **ID** _2025-8675_ **Category** _Technical Support/Help Desk_ **Type** _Regular Full-Time_