Cyber Security Engineer III

Cyber Security Engineer III

The Cyber Security Engineer III supports Reclamation IT systems and performs

security and privacy tasks aligned to NIST SP 800-37 Rev. 2 (RMF) and task order

requirements. Work is executed during the period of performance and is

reviewed weekly for completeness of tasks and objectives. The ISSO receives

direct or indirect technical direction from the COR and/or TSAL. The ISSO

produces and maintains government-required cybersecurity and privacy

documentation, keeps system records current in the Bison GRC tool (and other

designated repositories), and communicates clearly in English using

Reclamation-approved terms and formats. All deliverables are Government property

and are stored electronically on designated network drives.

Compensation

&

Benefits

Estimated Starting Salary Range for Cyber Security Engineer III: TBD

Pay commensurate with experience.

Full time benefits include Medical, Dental, Vision, 401K and other possible

benefits as provided.

Benefits

are subject to change with or without notice.

Cyber Security Engineer III Responsibilities Include:

* Maintain the operational cybersecurity posture for assigned IT systems and

advise system owners and the Enterprise ISSM on risk, changes, and security

status.

* Execute RMF/ATO (A&A) activities for assigned systems, including required

documentation, assessments, and ongoing compliance tasks.

* Develop, update, and maintain the System Security and Privacy Plan (SSPP) and

all supporting artifacts, to include (as applicable): configuration

management, contingency planning and after-action reporting, continuous

monitoring, incident response plans/contact lists and after-action reporting,

interconnection security agreements, POA&Ms, privacy artifacts (PTA/PIA),

risk assessments, control baselines and inheritance, security/business impact

analyses, control implementation statements, technical/system narratives,

inventories, network/system boundary diagrams, supply chain risk management

documentation, and SaaS attestations/workbooks.

* Perform continuous monitoring of security controls, including tracking

Reclamation-defined metrics, reviewing audit logs, identifying/responding to

vulnerabilities, and addressing Organizational Assessment (OA) metrics.

* Conduct technical vulnerability assessments; prioritize, track, and validate

remediation activities with technical teams.

* Manage the POA&M lifecycle: create POA&Ms for newly identified weaknesses,

coordinate milestones/dates with technical staff, and update POA&Ms in Bison

GRC (at least monthly for audit-related POA&Ms and quarterly for all others).

Collect evidence and complete WCVFs when closing POA&Ms or pursuing risk

acceptance.

* Support and participate in incident response activities for assigned systems.

* Participate in contingency, recovery, and incident response training and

tests; produce/maintain related evidence and after-action documentation.

* Perform cybersecurity impact analysis for system changes and support change

control by reviewing change requests, identifying security impacts,

approving/denying as required, ensuring procedures are followed, and updating

hardware/software inventories.

* Conduct cybersecurity impact reviews for new software requests.

* Execute annual assurance/assessment tasks: update FISMA/RMF documentation on

required schedules, perform Internal Control Reviews (ICRs), and ensure

control tailoring remains aligned with the applicable baseline.

* Participate in security assessments and audits; provide required access,

documentation, and system information to assessors/auditors.

* Develop and maintain system standard operating procedures (SOPs) aligned to

security control requirements.

* Provide Quarterly Cybersecurity Briefings to System Owners for assigned

systems.

* Support federal staff by providing expertise/training to Reclamation ISSOs

and advising on RMF requirements for new systems or significant changes

before production deployment.

* Provide technical cybersecurity input across operational projects throughout

the SDLC.

* Deliver documentation for all assigned tasks/projects; keep content current,

accurate, compliant with current standards, and maintained in approved

formats and repositories (including Bison GRC).

Minimum Requirements

* Bachelor's Degree in Cyber Security, MIS, IT or similar Information

Technology degree

* Demonstrated ISSO (or equivalent) experience performing FISMA/RMF activities

aligned to NIST SP 800-37 Rev. 2, including A&A/ATO support and continuous

monitoring.

* Proven ability to develop and maintain SSPP/SSP and related system

security/privacy documentation (e.g., contingency, incident response,

configuration management, continuous monitoring, risk assessments,

inventories, diagrams, POA&M).

* Experience performing control monitoring, vulnerability review/triage,

remediation tracking, and audit support.

* Working knowledge of federal privacy requirements,

including PTA/PIA and PII protection.

* Strong written and verbal communication skills; ability to brief system

owners and security leadership on cybersecurity posture and risk.

* Experience drafting policies, procedures, standards, SOPs, and instructional

materials.

* Experience working effectively in a civilian federal government environment

and with interagency stakeholders.

* Ability to follow government documentation standards, maintain records in

designated repositories, and deliver weekly/recurring status-driven outputs.

Preferred Qualifications

• * Experience implementing RMF for cloud-hosted systems and/or SaaS solutions,
• including SaaS attestation artifacts.
• * Experience using Bison GRC, Xacta 360, or similar GRC platforms to manage
• controls, evidence, and POA&Ms under continuous monitoring.
• * Knowledge/experience with GIS environments.
• * Knowledge/experience supporting Operational Technology (OT) systems.
• * Certifications: CISSP, CISM, and/or CAP.
• * Mut pass pre-employment requirements of Cherokee Federal.
• Company Information:
• Cherokee Nation System Solutions (CNSS) is a part of Cherokee Federal – the
• division of tribally owned federal contracting companies owned by Cherokee
• Nation Businesses. As a trusted partner for more than 60 federal clients,
• Cherokee Federal LLCs are focused on building a brighter future, solving complex
• challenges, and serving the government’s mission with compassion and heart. To
• learn more about CNSS, visit cherokee-federal.com.
• #CherokeeFederal #LI-IG
• Cherokee Federal is a military friendly employer. Veterans and active military
• transitioning to civilian status are encouraged to apply.
• Legal Disclaimer: Cherokee Federal is an equal opportunity employer. Please
• visit cherokee-federal.com/careers for information regarding our Affirmative
• Action and Equal Opportunity Employer Statement, and Accommodation request.
• Many of our job openings require access to government buildings or military
• installations. Candidates must pass pre-employment qualifications of Cherokee
• Federal.
• Please Note: This position is pending a contract award. If you are interested
• in a future with Cherokee Federal, APPLY TODAY! Although this is not an
• approved position, we are accepting applications for this future and anticipated
• need.