eWAN ISSM

Responsibilities for this Position

eWAN ISSM

ID: 2026-70390
USA-AZ-Scottsdale
Required Clearance: Top Secret
Posted Date: 1/29/2026
Category: Information Technology
Employment Type: Full Time
Hiring Company: General Dynamics Mission Systems, Inc.


Basic Qualifications

Requires a Bachelors degree in Engineering, or a related Science, Technology or Mathematics field. Also requires 8+ years of job-related experience, or a Master's degree plus 6 years of job-related experience.

CLEARANCE REQUIREMENTS: Department of Defense Top Secret security clearance is required at time of hire Applicants selected will be subject to a U.S. Government security investigation and must meet eligibility requirements for access to classified information. Due to the nature of work performed within our facilities, U.S. citizenship is required.

Responsibilities for this Position

General Dynamics Mission Systems (GDMS) is seeking a highly motivated Information System Security Manager (ISSM) to serve as the eWAN ISSM, responsible for establishing, securing, and authorizing GDMSs classified Enterprise-Wide Area Network (eWAN).

This role owns the end-to-end cybersecurity lifecycle of the eWANfrom initial architecture and control implementation through Authorization to Operate (ATO) and sustainment. The eWAN ISSM will act as the primary security authority for the environment and will work closely with Infrastructure, LAA IT, Information Assurance, Security Operations, and government stakeholders to enable resilient, mission-critical classified operations across multiple domains.

Position Responsibilities

Serve as the designated ISSM for the classified eWAN, accountable for security posture, compliance, and authorization outcomes.

Lead the stand-up of the eWAN security program, including security architecture design, control implementation, documentation, and integration with enterprise services.

Own and execute the Risk Management Framework (RMF) Authorization and Assessment (A&A) lifecycle, leading the system to initial ATO and supporting onboarding of additional programs.

Develop, maintain, and defend all required RMF artifacts, including SSPs, SAPs, SARs, POAMs, and supporting evidence.

Coordinate and facilitate MOUs, ISAs, and interconnection approvals required to support eWAN operations.

Establish and oversee Continuous Monitoring (CONMON) processes to ensure ongoing compliance post-ATO.

Conduct security analysis of operational and developmental environments, including threat modeling, vulnerability assessments, and risk determinations.

Partner with Security Operations to integrate logging, monitoring, incident response, and audit readiness into the eWAN environment.

Ensure configuration management, asset inventory, and auditing processes support authorization and sustainment requirements.

Serve as the primary interface with government customers, assessors, suppliers, and internal stakeholders for cybersecurity compliance and risk decisions.

Lead, support, and remediate findings from external audits, inspections, and assessments.

Basic Qualifications (Required Skills / Experience)

Active certification meeting IAM Level III requirements (e.g., CISSP, GSLC, or CISM).

5+ years of experience implementing cybersecurity policies and Risk Management Framework (RMF) requirements in classified environments.

Demonstrated experience working with DAAPM, CNSSI 1253, ICD 503, JSIG, and/or NIST SP 800-series guidance.

Preferred Qualifications (Desired Skills / Experience)

5+ years of experience as an ISSM supporting classified systems.

Demonstrated experience leading a system through initial ATO, including coordination with assessors and Authorizing Officials.

Hands-on experience with RMF-related tools and technologies (e.g., NESSUS, ACAS, DISA STIGs, SCAP, HBSS).

Experience developing, briefing, and defending RMF documentation packages.

Project management experience; CAPM or PMP certification preferred.

Strong verbal and written communication skills with the ability to brief executives, technical teams, and government customers.

Proven ability to lead, mentor, and coordinate cross-functional teams.

Salary Note

This estimate represents the typical salary range for this position based on experience and other factors (geographic location, etc.). Actual pay may vary. This job posting will remain open until the position is filled.

Combined Salary Range

USD $142,696.00 - USD $158,303.00 /Yr.

Company Overview

General Dynamics Mission Systems (GDMS) engineers a diverse portfolio of high technology solutions, products and services that enable customers to successfully execute missions across all domains of operation. With a global team of 12,000+ top professionals, we partner with the best in industry to expand the bounds of innovation in the defense and scientific arenas. Given the nature of our work and who we are, we value trust, honesty, alignment and transparency. We offer highly competitive benefits and pride ourselves in being a great place to work with a shared sense of purpose. You will also enjoy a flexible work environment where contributions are recognized and rewarded. If who we are and what we do resonates with you, we invite you to join our high-performance team!

Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans

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General Dynamics Mission Systems is a technology integrator and original equipment manufacturer that provides mission critical solutions across ground, sea, air, space and cyberspace.

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