Sr. IT Systems Engineer- Palmdale, CA- Secret Required

Lockheed Martin Corporation; Palmdale (CA); On-site; USD 96,000 - 178,000; Full time

Benefits offered by this job

Medical, Dental, Vision

Flexible work arrangements (4x10)

401(k) match

Paid time off

Holidays

Parental Leave

Life Insurance

Short-Term Disability

Long-Term Disability

Job summary

Lockheed Martin Corporation is seeking a System Engineer (Level3) in California to design, implement, optimize, and support complex enterprise IT systems. You will ensure high availability, performance, and security across platforms with an emphasis on Windows and RHEL administration.

The role requires DoD 8570 IAT Level II/III certification, Active Secret Clearance (ability to obtain Top Secret), and 5+ years of hands-on enterprise infrastructure experience.

Qualifications

• Bachelor’s degree or equivalent work experience in a related field.
• DoD 8570 IAT Level II or III certification (Security+) is required.
• Active Secret Clearance with ability to obtain Top Secret Clearance.
• 5+ years designing, deploying, and supporting enterprise infrastructure.
• Deep knowledge of Windows and RHEL system administration.

Responsibilities

• Operate, configure, and maintain servers, storage, and virtualization infrastructure.
• Manage Active Directory, DNS, DHCP, PKI, and enterprise monitoring tools.
• Apply CIS Benchmarks and DISA STIGs for security and compliance; participate in vulnerabilities remediation.
• Create and maintain design documents, runbooks, SOPs, and change-management records.
• Identify opportunities to modernize legacy systems and consolidate platforms.

Skills

Windows Admin

RHEL Admin

Security+

Problem Solving

Communication

Education

Bachelor’s degree in Computer Science/IT or related field

Tools

Gitlab

Ansible

PowerShell

Job description

Standard Job Description

The System Engineer (Level3) is a senior technical individual contributor responsible for the design, implementation, optimization, and support of complex enterprise‑wide IT systems. This role provides technical experience across multiple platforms, ensures high availability, performance, and security of critical services.

Standard Job Description

The System Engineer (Level3) is a senior technical individual contributor responsible for the design, implementation, optimization, and support of complex enterprise‑wide IT systems. This role provides technical experience across multiple platforms, ensures high availability, performance, and security of critical services.

Key Responsibilities

• Domain Administration – Operate, configure, and maintain servers, storage, and virtualization infrastructure.
• Linux Administration - Familiarization with Linux security, ansible, bash, STIGs, and configuration mangement.
• Enterprise Services – Manage Active Directory, DNS, DHCP, PKI, and enterprise monitoring tools as well as various other servers.
• Security & Compliance Apply hardening standards (e.g., CIS Benchmarks, DISA STIGs) and ensure compliance with internal policies and regulatory requirements (e.g., NIST, ISO27001). Participate in vulnerability assessments and implement remediation strategies.
• Documentation & Best Practices Create and maintain detailed design documents, runbooks, SOPs, and change‑management records. Contribute to the development and continuous improvement of IT standards and best‑practice libraries.
• Continuous Improvement – Identify opportunities to modernize legacy systems and consolidate platforms that reduce operational overhead.

Basic Qualifications

• Bachelor’s degree in Computer Science, Information Technology, a related field or equivalent work experience
• Must possess DoD 8570 IAT Level II or III certification (i.e. Security+)
• Active Secret Clearance; Ability and willingness to obtain Top Secret Clearance
• 5+ years of hands‑on experience designing, deploying, and supporting enterprise infrastructure
• Strong analytical and problem‑solving abilities; excellent communication (technical & non‑technical)
• In-Depth knoweldge of Windows and RHEL system administration

Desired Skills

• Certification in RHEL systems (RHCSA, RHCE)
• Microsoft Certified: Windows Server Hybrid Administrator Associate
• Experienced in Hybervisor technologies (Vmware, Nutanix) as well as HCI.
• Proven understanding of cyberscurity threat models, attack surfaces, and risk management principals
• Ability to create automated solutions using standard practices and tools (Gitlab, Ansible, PowerShell, etc)
• Expertise in Linux imaging using kickstart processes and PXE.

Pay Information

Full-Time Salary Range: $95900.00 - $178100.00

At Lockheed Martin, we know mission success starts with taking care of our people. Our Total Rewards program is designed to attract top talent, support your well-being, and help you grow—both professionally and personally.

The salary range for this position is as listed on the requisition. Please note that the salary information listed is a general guideline only. Lockheed Martin considers factors such as (but not limited to) scope and responsibilities of the position, candidate's work experience, education/ training, key skills as well as market(work location) and business considerations when extending an offer.

Benefits offered:

Medical, Dental, Vision, Flexible work arrangements and schedules (e.g., 4x10), 401(k) match, Paid time off, Holidays, Parental Leave, EAP, Flexible Spending Accounts, Education Assistance, Life Insurance, Short-Term Disability, and Long-Term Disability.

• Annual short-term and/or long-term incentive compensation programs may be offered depending on the position. Payments under these annual programs are not guaranteed and can vary from year to year and are tied to a range of performance metrics.
• For (Washington state applicants only) Non-represented full-time employees: accrue at least 10 hours per month of Paid Time Off (PTO) to be used for incidental absences and other reasons; receive at least 90 hours for holidays. Represented full time employees accrue 6.67 hours of Vacation per month; accrue up to 52 hours of sick leave annually; receive at least 96 hours for holidays. PTO, Vacation, sick leave, and holiday hours are prorated based on start date during the calendar year.