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Cybersecurity Engineer - DoD RMF & Authorization

Fuse Integration San Diego, CA

San Diego, CA

Today

$120k - $160k/yr Full time Ato/iatt Cybersecurity Tools Dod Rmf

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Job Description

Fuse Integration is seeking a Cybersecurity Engineer to lead DoD RMF execution and build/manage authorization packages for secure communications networks supporting U.S. defense agencies.

Responsibilities

Lead and support execution of the Department of Defense (DoD) Risk Management Framework (RMF) across development, testing, authorization, and operational lifecycles.
Develop, maintain, and manage complete RMF authorization packages supporting Authorizations to Operate (ATOs), Interim Authorizations to Test (IATTs), and ongoing authorization activities.
Prepare and maintain System Security Plans (SSPs), security control implementation statements, Plans of Action and Milestones (POA&Ms), hardware and software inventories, system architecture documentation, and other required RMF artifacts.
Manage RMF authorization packages within Enterprise Mission Assurance Support Service (eMASS), ensuring security control documentation, assessment evidence, and supporting artifacts remain accurate, complete, and current.
Analyze and document security control implementations aligned to NIST SP 800-53, DoDI 8510.01, CNSSI 1253, applicable DISA Security Technical Implementation Guides (STIGs), and DoD cybersecurity policies.
Coordinate with ISSMs, ISSOs, SCAs, Authorizing Officials (AOs), and government representatives to support assessments and authorization decisions.
Evaluate system architectures, configurations, and operational environments to determine security control applicability, implementation approaches, and compliance requirements.
Review and interpret vulnerability assessment results from ACAS, Nessus, SCAP, and STIG compliance assessments to identify deficiencies, document risks, and recommend remediation.
Develop, maintain, and track POA&Ms, coordinating with engineering teams to resolve vulnerabilities, document mitigating factors, and support risk acceptance decisions.
Support Security Control Assessment (SCA) activities by preparing assessment evidence, responding to findings, coordinating technical demonstrations, and resolving documentation gaps.
Develop and execute continuous monitoring activities to maintain cybersecurity posture and authorization status of assigned information systems.
Assess proposed modifications, software updates, and configuration changes to determine security control impacts, authorization boundary effects, and ATO/IATT condition changes.
Partner with systems, software, and network engineers to ensure cybersecurity requirements are incorporated into system design, development, integration, and testing.
Provide technical guidance on secure configurations, operating system hardening, network security, virtualization, and vulnerability remediation to support DoD cybersecurity requirements.

Requirements

6–8 years of professional experience in DoD cybersecurity, information assurance, systems administration, network engineering, or related technical disciplines.
Demonstrated experience supporting DoD RMF authorization activities, including development and maintenance of ATO and/or IATT packages.
Hands-on experience creating and maintaining RMF documentation, including SSPs, security control implementation statements, POA&Ms, and supporting assessment artifacts.
Experience using eMASS to document security controls, manage authorization artifacts, track assessment findings, and maintain RMF packages.
Strong working knowledge of NIST SP 800-53, DoD RMF requirements, and security control implementation and assessment methodologies.
Experience interpreting DISA STIG requirements, vulnerability assessment results, and system security configurations to determine compliance and develop remediation recommendations.
Experience reviewing system configurations, network architectures, and security control implementations to support accurate RMF documentation.
Working knowledge of Linux and Windows, including administration, security hardening, access controls, and configuration management.
Familiarity with virtualized environments such as VMware, KVM, or Hyper-V and related cybersecurity considerations.
Understanding of networking fundamentals including TCP/IP, VLANs, subnets, firewalls, routing, network segmentation, and secure communications.
Ability to analyze cybersecurity findings, document technical risks, and communicate remediation requirements to engineering teams and government stakeholders.
Strong technical writing skills for clear, accurate, and technically defensible security documentation.
Ability to independently manage multiple RMF deliverables, coordinate across engineering disciplines, and meet program authorization milestones.
Ability to meet applicable DoD 8140 cybersecurity workforce qualification requirements for the assigned work role.
U.S. citizenship.
Active Secret security clearance.

Technologies

Linux, Windows
VMware, KVM, Hyper-V
eMASS
ACAS, Nessus, SCAP
STIGs
TCP/IP, VLANs, firewalls
POA&Ms, System Security Plans (SSPs)
NIST SP 800-53
DoDI 8510.01
CNSSI 1253
DISA Security Technical Implementation Guides (STIGs)
DoD RMF, DoD 8140

Benefits

Medical, Dental, and Vision
Employee coverage is fully funded; a portion of dependents' coverage is funded as well
11 paid Federal Holidays
Paid Time Off (PTO)
40 hours of paid sick leave per year
401k with employer matching
Annual bonuses
Cell phone reimbursement: $100/month

Preferred Qualifications

Experience independently managing DoD RMF authorization packages from initial system categorization through authorization and continuous monitoring.
Experience supporting successful ATO/IATT submissions, security assessments, and authorization package reviews.
Familiarity with Navy, Marine Corps, or Air Force RMF authorization processes and service-specific requirements.
Experience supporting cybersecurity accreditation of Research, Development, Test, and Evaluation (RDT&E) systems, developmental systems, or operational DoD capabilities.
Experience coordinating directly with SCAs, AOs, government ISSMs, and other authorization stakeholders.
Experience performing security control inheritance analysis, developing system authorization boundaries, and identifying applicable overlays and control tailoring requirements.
Experience using ACAS, Nessus, SCAP, STIG Viewer, and other vulnerability assessment or compliance tools.
Experience with technical implementation of DISA STIGs and security hardening of Linux, Windows, networking equipment, and virtualized environments.
Familiarity with DoDI 8510.01, NIST SP 800-37, CNSSI 1253, and applicable DoD continuous monitoring guidance.
Knowledge of Navy C4ISR systems, military networks, or tactical data links.
Experience supporting cybersecurity requirements within Agile software development or systems engineering environments.
Experience assessing cybersecurity risks associated with custom software, specialized hardware, or mission-specific system architectures.

Location: San Diego, CA (onsite)

Salary: USD 120,000 - 160,000 per yearly

Clearance: Active Secret

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