4 days old

Information Systems Security Officer (ISSO)

Bay St Louis, MS 39520
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Business Group Highlights

Civilian, State and Local

Perspectas Civilian, State and Local segment partners with the U.S. Federal Civilian State and Local governments to provide infrastructure services, business solutions, and digital transformation services that help them achieve policy objectives and integrate citizen-centric services.


  • Comply with the ISSO Roles and Responsibilities as laid out in DHS 4300 A/B.
  • Maintain the Security Authorization or Certification and Accreditation of their assigned system.
  • Track the Security Authorization of their assigned system.
  • Deliver all required documentation using the current DHS approved templates, forms, regulations, and methods.
  • Continuously update all Security Authorization documentation as required by the ISSO SOP.
  • Provide advisement to stakeholders to assign resources and establish timelines to ensure the successful Security Authorization of a system.
  • Maintain all required documentation to maintain their assigned systems Authority to Operate or system go live dates.
  • Document all relevant NIST 800-53 and 4300A Security Controls and/or applicable departmental policies for each IT system the ISSO is responsible for.
  • Draft a Security Package and perform any modifications throughout the lifecycle of the IT system.
  • Work closely with the System Owner to identify any additional controls that are applicable to the system to maintain a favorable security posture.
  • Perform an annual physical assessment of all General Support Systems (GSS) and Major Applications and sub-system interfaces.
  • Provide oversight and advisement on all proposed change requests on an IT System as it pertains to the potential change to the existing Controls Assessment.
  • Work with auditors to identify Key Controls which must be assessed on a recurring annual basis.
  • Evaluate and provide advisement on all privileged access requests to IT systems.
  • Ensure software targeted for introduction to the production environment is evaluated and provide guidance regarding the potential for the software to introduce risk into the environment.
  • Track the deployment of software to the environment that is not part of the base image. Ensure software installs are registered to individual users.
  • Ensure software deployed in the environment is audited on a quarterly basis. ISSOs shall provide reports to System Owners, ISSM, and to O&M staff tailored with the level of detail or abstraction as appropriate.
  • Perform oversight of Information System Vulnerability Management (ISVM) inquiries, and ensure that the inquiries are addressed and reported within the allotted timeframe and reported via the accepted methods and formats.
  • Generate Plan of Actions & Milestones (POA&Ms) for each non-compliant control for each managed IT System. Proper documentation shall be filed and updated as required.
  • Manage all applicable POA&Ms throughout the lifecycle of the IT system. This includes but is not limited to the drafting of well documented waivers and exceptions detailing the potential risk to the Authorizing Official.
  • Support the Security Incident Response team in the remediation, documentation and reporting of all incidents for the ISSO assigned system.
  • Perform a Weekly review of logs for each IT system.
  • Participate in project discussions in support of the System Owner.
  • Provide track and report security requirements throughout the project life cycle of all projects that are within the accreditation boundary of their assigned system.
  • Work closely with Office of the Chief Information Security Officer (CISO) to provide guidance and oversight for all requested initiatives.
  • Provide timely and detailed responses to all data calls.
  • Provide support for all Office of the Inspector General (OIG) and other external audit activities.
  • Provide oversight and guidance regarding requests to modify technical policies such as firewall rules, ports, protocols, etc. for each IT system.
  • Coordinate with and brief Federal staff on all activities pertaining to each IT system as requested.
  • Continuously maintain a thorough understanding of all configurations, architecture, installed software, accounts (both Operating System and Application), data flows, ports, protocols, and other relevant data for each IT System.
  • Coordinate with the appropriate operational group to accurately update the System Design Document for each IT system to reflect the approved state of each IT system.
  • Ensure the Configuration Management Database (CMDB) is continuously updated with the appropriate operational group if it is available.


ISSO experience:

  • Experience with Authority to Operate (ATO) process, continuous monitoring, POA&Ms, Security Authorizations (SA), NIST 800-37, NIST 800-53 Rev3 / Rev4, working with System Owners (SO)
  • 5-7 years applicable professional experience
  • Experience with the C&A process
  • Understanding of FISMA compliance
  • Works well with team members
  • CISSP, CISA or equivalent certifications (DoD 8570 IAM 2 equivalent)
  • System Admin or other technical background
  • Bachelor's degree or equivalent experience
  • Experience with Ongoing Authorizations
  • Experience with Xacta

U.S. Citizenship required

Must be able to pass a Federal background investigation

Desired: Experience working at DHS and with DHS 4300

About Perspecta

What matters to our nation, is what matters to us. At Perspecta, everything we do, from conducting innovative research to cultivating strong relationships, supports one imperative: ensuring that your work succeeds. Our company was formed to bring a broad array of capabilities to all parts of the public sectorfrom investigative services and IT strategy to systems work and next-generation engineering.

Our promise is simple: never stop solving our nations most complex challenges. And with a workforce of approximately 14,000, more than 48 percent of which is cleared, we have been trusted to do just that, as a partner of choice across the entire sector.

Perspecta is anAA/EEOEmployer - All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or protected veteran status.

As a government contractor, Perspecta abides by the following provision

Pay Transparency Nondiscrimination Provision

The contractor will not discharge or in any other manner discriminate against employees or applicants because they have inquired about, discussed, or disclosed their own pay or the pay of another employee or applicant. However, employees who have access to the compensation information of other employees or applicants as a part of their essential job functions cannot disclose the pay of the other employees or applicants to individuals who do not otherwise have access to compensation information, unless the disclosure is (a) in response to a formal complaint or charge, (b) in furtherance of an investigation, proceeding, hearing, or action, including an investigation conducted by the employer, or (c) consistent with the contractors legal duty to furnish information. 41 CFR 60-1.35(c).


  • Information Technology
Posted: 2021-02-20 Expires: 2021-03-21

With offerings in mission services, digital transformation and enterprise operations, our team of 14,000 engineers, analysts, investigators and architects work tirelessly to create innovative solutions. We have the expertise and experience not only to devise solutions, but to execute on them successfully.

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Information Systems Security Officer (ISSO)

Bay St Louis, MS 39520

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