Systems Engineer

TA Aerospace Co.; Santa Clarita (CA); On-site; USD 140,000 - 170,000; Full time

Benefits offered by this job

Health plan options

Dental insurance

Life insurance

Supplemental insurance

401(k) with employer match

Job summary

TA Aerospace Co. in Valencia, CA seeks an experienced Senior Systems Engineer to design, secure, and manage enterprise IT systems with a security-first mindset. The role emphasizes M365 Government Cloud, PKI, and regulated data handling in a defense environment.

Responsibilities include managing Exchange/SharePoint/OneDrive/Teams, hybrid AD, and hybrid infrastructure while leading vulnerability management and audit readiness. On-site work required.

Qualifications

• Experience securing M365 Government Cloud and GCC High environments.
• Experience with CMMC Level 2, NIST 800-171, ITAR compliance.
• Background in aerospace/defense manufacturing settings preferred.
• There is a test description here to ensure line length.

Responsibilities

• Administer and secure M365 GCC/GCC High environments.
• Manage Exchange Online, SharePoint Online, OneDrive, Teams.
• Oversee on-prem/hybrid Active Directory and IAM lifecycle.
• Design and maintain hybrid infrastructure (VMware/Hyper-V).
• Monitor performance, availability, capacity planning.
• Lead vulnerability management, audit readiness, and SOX ITGC.
• Configure Fortinet firewalls, VPNs, and network security.
• Implement zero-trust and network segmentation.

Skills

Security mindset

Cloud administration

Identity & access

VMware/Hyper-V

Network security

Zero-trust concepts

Compliance awareness

Tools

Microsoft 365 GCC High

Exchange Online

SharePoint Online

OneDrive

Teams

Active Directory

VMware

Hyper-V

Fortinet firewalls

VPNs

PKI infrastructure

Job description

About this position

We are seeking an experiencedSenior Systems Engineertosupport and secure a regulated aerospace and defense manufacturing environment. This role is responsible for the design, implementation, administration, and security of enterprise IT systems with a strong emphasis onMicrosoft 365 Government Cloud,infrastructure security, compliance, and data protection.

The ideal candidate brings deep technical expertise, a security-first mindset, and hands‑on experience supportingCMMC Level 2,ITAR-controlled data,and defense‑industry compliance requirements.

Key Responsibilities

• Administer and secure Microsoft 365 Government Cloud (GCC/GCC High) environments


• Manage Exchange Online, SharePoint Online, OneDrive, and Microsoft Teams


• Oversee Active Directory (on-prem and hybrid), including identity lifecycle management, GPOs, and access controls


• Design and maintain hybrid infrastructure, including Hypervisor platforms (VMware/Hyper‑V)


• Monitor system performance, availability, and capacity planning

Security Engineering & Compliance

• Implement and maintain security controls aligned with CMMC Level 2, NIST 800-171, and ITAR requirements


• Design, manage, and secure PKI infrastructure, including Certificate Authorities and Certificate Servers


• Enforce data encryption standards for controlled data, both at rest and in transit


• Support secure data transfer mechanisms for regulated environments


• Lead vulnerability management, security hardening, and audit readiness efforts


• Support SOX ITGC requirements on related systems


• Configure, manage, and monitor Fortinet firewalls, VPNs, and network security appliances


• Administer VPN access for remote users and third‑party partners


• Implement network segmentation and zero‑trust principles where applicable


• Troubleshoot complex network and security incidents

Backup, Recovery & Business Continuity

• Manage enterprise backup and recovery solutions (including Rubrik or similar platforms)


• Perform and validate disaster recovery testing and documentation


• Ensure data integrity, retention, and compliance with regulatory requirements


• Maintain detailed system documentation, policies, procedures, and security artifacts


• Collaborate with operations, sales, engineering, finance, and compliance teams


• Support internal and external audits related to cybersecurity and regulatory compliance

Preferred Qualifications

• Microsoft certifications (Azure, M365, Security)


• Security certifications (Security+, or equivalent)


• Experience inaerospace & defense manufacturingor regulated industrial environments


• Familiarity with data loss prevention (DLP) solutions and zero-trust architectures

Additional Requirements

• Must be eligible to work withITAR-controlled data


• Ability to work on-site in Valencia, CA full time


• Strong communication, documentation, and problem‑solving skills

Benefits include 8 health plan options, dental, life and supplemental insurance, and 401(k) with employer match.

This position requires use of information which is subject to the International Traffic in Arms Regulations (ITAR). All applicants must be U.S. persons within the meaning of ITAR. ITAR defines a US person as:any individual who is grantedU.S.citizenship; or. any individual who is grantedU.S.permanent residence ("Green Card" holder); or. any individual who is granted status as a "protectedperson" under 8 U.S.C.

TA Aerospace is an Equal Opportunity/Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex including sexual orientation and gender identity, national origin, disability, protected Veteran Status, or any other characteristic protected by applicable federal, state, or local law.

If you are a qualified individual with a disability or a disabled veteran, you have the right to request an accommodation if you are unable or limited in your ability to use or access our career center as a result of your disability.