Information Systems Security Engineer (ISSE)
MarkonAbout the role
Description
Markon is seeking an Information Systems Security Engineer (ISSE) to support an Intelligence Customer in Chantilly, VA. This role provides cybersecurity and systems security engineering expertise to protect mission-critical information systems and ensure compliance with applicable Intelligence Community security requirements. The ISSE will assess system architectures, identify and mitigate vulnerabilities, support authorization activities, and collaborate with technical and mission stakeholders to integrate security throughout the system lifecycle.
Responsibilities
- Technical cybersecurity role responsible for designing and embedding security controls into system architectures
- Ensure scans for all systems are run on a routine basis and work with system administrators/developers to patch vulnerabilities and policy failures
- A&A -review and complete required technical documentation (Accounts Management Plan, SOPs, etc.)
- Understanding of computer architecture, networking, operating systems, and network security
- Work with ISSMs to resolve any issues
- Develop, implement, and/or integrate Information Assurance (IA) and security systems, including those for networking, computing, virtualization, cloud, and enclave environments, to include those with multiple enclaves and with differing data protection/classification requirements.
- Review and conduct technical security assessments of computing environments to identify points of vulnerability, non-compliance with established Information Assurance (lA) standards and regulations, and recommend mitigation strategies.
- Create and review Assessment and Authorization (A&A) Body of Evidence documentation and provide feedback on completeness and compliance of its content.
- Advise and assist the Sponsor's customers with the Lifecycle Assessment and Authorization process.
- Ensure all program activities maintain system baselines and configuration management items, including security event monitoring policies, in a manner determined and agreed to by the COTR and the Sponsor's management.
- Ensure changes are made using the Sponsor’s approved cybersecurity approval process and are coordinated and scheduled.
- Maintain appropriate levels of documentation deemed acceptable by Agency regulations and guidelines for each individual project, including operations and maintenance information, operations guides, design documents, scans, and overall concepts of operations.
- Enforce the design and implementation of trusted interfaces among external systems and architectures.
- Utilize COTS/GOTS and custom tools in order to scan, identify, contain, mitigate and remediate vulnerabilities and intrusions.
- Protect information and information systems from unauthorized access, use, disclosure, disruption, modification, perusal, inspection, recording and destruction.
- Recognize potential, successful, and unsuccessful intrusion attempts and compromises thorough reviews and analyses of relevant event detail and summary information.
Qualifications
Required:
- An active TS/SCI Full Scope Poly Security Clearance (Preferrably from this client)
- Bachelor's Degree in Cybersecurity, computer science, or related field
- 8+ years of experience supporting highly secure cybersecurity systems, including ATO processing, A&A documentation, networking operations, and security control analysis/remediation
- Experience supporting highly secure, enclaved environments
- High familiarity with IA concepts, SCA analysis process, and Cybersecurity policies such as NIST, FISMA, and RMF
Desired:
- Current CISSP, CISM, or CASP is preferred
- Experience with cloud-based architectures
- Continual education and research on cybersecurity trends, methologies, and policies
Salary Range
USD $170,000.00 - USD $195,000.00 /Yr.The Markon pay range for this position is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.Overview
Eager to join a team where your skills are valued, your growth is nurtured, and your impact is profound? Look no further than Markon, a premier consulting firm deeply dedicated to advancing our nation's most critical missions.
At Markon, we don't just offer jobs – we offer opportunities for personal and professional transformation. Empowering our employees to lead, innovate, and excel, we foster an environment where new ideas are not just welcomed but c
Apply for this role
Generate a tailored application kit with a matched cover letter, interview prep, and CV highlights — in under 60 seconds.
Apply Now →Generate Application KitFree account required — sign up in 30s