Information Systems Manager - ISSO

Clearance Level
Top Secret
Information Systems Management
Washington, District of Columbia

REQ#: RQ132676

Travel Required: None
Public Trust: None
Requisition Type: Regular

GDIT is seeking a Sr. Information Systems Security Officer (ISSO) with DHS EOD TS/w SCI eligibility. Candidate must be able to work onsite.


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.


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

Required skills/experience:

DHS ISSO experience a must

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

Top SECRET required

Strong communication skills and the ability to work with diverse teams

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

About Our Work

We are GDIT. The people supporting some of the most complex government, defense, and intelligence projects across the country. We deliver. Bringing the expertise needed to understand and advance critical missions. We transform. Shifting the ways clients invest in, integrate, and innovate technology solutions. We ensure today is safe and tomorrow is smarter. We are there. On the ground, beside our clients, in the lab, and everywhere in between. Offering the technology transformations, strategy, and mission services needed to get the job done.

COVID-19 Vaccination

GDIT does not have a vaccination mandate applicable to all employees. To protect the health and safety of its employees and to comply with customer requirements, however, GDIT may require employees in certain positions to be fully vaccinated against COVID-19. Vaccination requirements will depend on the status of the federal contractor mandate and customer site requirements.

GDIT is an Equal Opportunity/Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status, or any other protected class.