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CACI International Information Systems Security Officer (ISSO) - Senior in Washington, District Of Columbia

Information Systems Security Officer (ISSO) - Senior

Job Category: Information Technology

Time Type: Full time

Minimum Clearance Required to Start: Top Secret

Employee Type: Regular

Percentage of Travel Required: Up to 10%

Type of Travel: Local

Sr. Information Systems Security Officer (ISSO)


• 10-12 years of information security management experience; preferably in the DoD/DHS/DOE context

• Advanced knowledge of network security concepts; best practices and procedures including FISMA/NIST RMF and DITSCAP/DIACAP

• Experience managing vulnerability mitigation and information security process in an enterprise environment

• Proven ability to Lead customer-facing reporting and negotiation activities

• Ability to produce and disseminate reports for vulnerability assessments and compliance reporting

• Strong knowledge of Windows client/server; *NIX systems; VMWare; networking; VTC/ VoIP; device firmware; web/application servers; databases; and network architectures (hands on preferred; manages highly technical team)

• Ability to manage vendor relationships and track externally dependent patching activities; driving the threat research life cycle

• Ability to learn complex computing environments quickly; memorization skills desired

• Broad understanding of all aspects of IT and enterprise systems interoperability (OSI Model; SDLC; ITIL; etc.)

• Coordinate with other team (SOC; IR; RMD; Ops; Management; etc.) activities as necessary

• Support threat intelligence activities when required

• Strong communication skills and the ability to work with diverse teams

• DHS ISSO experience a must

• Current DHS HQ Entry on Duty (EOD) holders given preference

• Top SECRET required

• CISSP certification or other DoDI 8570 IAM II desired (will consider other management certs e.g.; PMP)


• Conducting and maintaining vulnerability scanning on networks; systems and applications

• Producing actionable; risk-based reports on security assessment results

• Managing; training and mentoring more junior team members

• Assisting with vulnerability remediation when necessary

• Developing and maintaining security plans and security testing plans

• Deliver expected results based on appropriate FISMA score category targets across 7 of 11 security automation domains for Continuous Monitoring of system risk

• Report directly to IA SME Lead and assist other security life cycle activities as necessary

• Direct Recertification & Accreditation activities for 4 (four) discrete classified IP-based networks and assist IA SME Lead with managing schedule to completion (ATO)

• Be responsible and accountable for all task and reporting deadlines

• Continuously improve risk models; metrics; reports; processes; and activities

• Manages the security of information systems assets and the protection of systems from intentional or inadvertent access or destruction.

• Manages the security of information systems assets and the protection of systems from intentional or inadvertent access or destruction.

• Recognizes potential; successful; and unsuccessful intrusion attempts and compromises thorough reviews and analyses of relevant event detail and summary information.

• Perform preliminary forensic evaluations of internal systems.

• Interfaces with client to understand their security needs and oversees the development and implementation of procedures to accommodate them.

• Ensures that the user community understands and adheres to necessary procedures to maintain security.

• Weighs business needs against security concerns and articulates issues to management and/or customers.

• Maintains current knowledge of relevant technology as assigned.

• Provides guidance in the creation and maintenance of Standard Operating Procedures and other similar documentation

• Participates in special projects as required.


Bachelors Degree in Computer Science or a related technical discipline, or the equivalent combination of education, technical training, or work experience.

Company Overview: At CACI, you will have the opportunity to make an immediate impact by providing information solutions and services in support of national security missions and government transformation for Intelligence, Defense, and Federal Civilian customers. CACI is an Equal Opportunity Employer – Females/Minorities/Protected Veterans/Individuals with Disabilities.

As a federal contractor, CACI is subject to any federal vaccine mandates or other customer vaccination requirements. All new hires are required to report their vaccination status.