Cybersecurity Jobs in Roanoke, TX

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Network & Cybersecurity Engineer

Redwood Strong LLC Roanoke, TX

Roanoke, TX

Today

$140k - $190k/yr Full time Cloud Platforms Endpoint Security Engineer

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Job Description

Redwood Strong LLC is seeking a Network & Cybersecurity Engineer to support enterprise IT operations, classified network security, and RMF/DoD authorization readiness for defense programs.

Responsibilities

Act as the technical owner for the enterprise network infrastructure, focusing on security, availability, and scalability.
Design, maintain, and optimize multi-site enterprise networks including routing, switching, VLANs, and VPNs.
Configure, harden, and monitor enterprise firewalls and perimeter defense capabilities.
Implement cybersecurity protections aligned with best practices and CMMC/NIST control families.
Lead incident response, troubleshooting, and root-cause analysis to minimize downtime.
Own and secure the company’s Microsoft GCC High environment, including:
- Azure AD administration
- Intune device management
- Microsoft Defender suite (endpoint, identity, and cloud security)
- Security audits, logging, and compliance tooling
Maintain enterprise configuration baselines and change-control documentation.
Support organizational cybersecurity governance aligned with CMMC objectives, including policies, internal controls, incident response, vulnerability assessments, and internal audits.
Maintain compliance for account and identity-management workflows using RMF, NIST 800-53, and DoD 8510.01.
Oversee enterprise cybersecurity operations across:
- Network defense
- Endpoint protection
- Secure configuration
- Microsoft 365 security (MFA, conditional access, DLP)
- Role-based access management
Maintain cybersecurity components of business continuity and disaster recovery plans; support secure collaboration across Teams, SharePoint, and OneDrive.
Support USG cybersecurity approval efforts by directing RMF work, developing SSPs and POA&Ms, conducting threat modeling, and preparing authorization packages for government review.
Coordinate with ISSOs, System Owners, engineering teams, government stakeholders, and accreditation authorities to support compliant, secure mission-system development.
Embed security requirements early by participating in design reviews and technical interchange meetings.
Oversee integration, validation, testing, and continuous monitoring of security controls across development, deployment, and sustainment.
Exercise judgment to meet operational needs without disrupting critical activities, including avoiding patch deployment or forced reboots during sensitive events such as flight testing.
Serve as the ISSM for small classified environments, ensuring compliance with DoD and intelligence community security requirements.
Develop and maintain classified system cybersecurity documentation including SSPs, POA&Ms, and SOPs.
Perform system audits, continuous monitoring, and vulnerability management.
Lead security control implementation aligned with DoD RMF requirements.
Coordinate with government security assessors and accreditors to maintain active system accreditation.
Manage required updates, assessments, and reporting to maintain compliance and operational readiness.
Develop System Security Plans and DoD RMF engineering artifacts.
Conduct system architecture analysis, define security boundaries, and implement required controls.
Prepare full accreditation packages, including eMASS entries, diagrams, and evidence documentation.
Work directly with government Authorizing Officials / Security Customer Approval Authorities.
Obtain and maintain ATO or IATT for flight tests, demonstrations, and other mission activities.
Ensure secure integration of systems crossing classification or security boundaries.

Requirements

Bachelor’s degree in Cybersecurity, Computer Engineering, or a related field (Master’s preferred).
7+ years of experience in cybersecurity governance, RMF compliance, system authorization, or defense/aerospace security operations.
Experience leading or supporting system accreditation efforts across USG or defense-related programs.
Proficiency in RMF documentation, including SSPs, POA&Ms, and security evaluation processes.
Hands-on experience configuring enterprise networks and firewalls.
Experience designing multi-site network environments and establishing network architectures and operational/security drawings.
Experience with enterprise cybersecurity operations including audits, incident response, vulnerability assessment, and security hardening.
Proficiency with secure architecture, firewalls, VPNs, endpoint protection, and cloud security services.
Experience securing and managing Microsoft 365 environments including MFA, DLP, conditional access, and compliance monitoring.
Ability to serve in an ISSM-level role for classified systems.
Proficiency with Azure AD, Intune, Defender, and Microsoft GCC High.
Ability to obtain and maintain a TS/SCI clearance.
Strong communication, leadership, and collaboration skills.
Travel: up to 25%.
CISSP (Required).
Top Secret (Required).
Work location: Hybrid (3-4 days in office), Roanoke, TX 76262.
Network architecture: 5 years (Required).

Technologies

Azure AD
Intune
Microsoft Defender suite (endpoint, identity, and cloud security)
Microsoft Defender
Microsoft GCC High
Microsoft 365
MFA
Conditional access
DLP
Teams
SharePoint
OneDrive
eMASS
VPNs
Firewalls
VLANs

Benefits

401(k)
401(k) matching
Dental insurance
Health insurance
Health savings account
Paid time off

Pay

$140,000.00 - $190,000.00 per year

Preferred

Security+, CISSP, and completion of the latest Cisco networking coursework (such as modern CCNA or successor).
Experience with cross-domain solutions and flight-test accreditation.
Experience in small-business or multi-role engineering environments.

Security Clearance

Top Secret (Required)

License / Certification

CISSP (Required)

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