Staff IT Systems Engineer- Palmdale, Ca- Secret Required with Security Clearance

Job Number 9920 Standard Job Description The System Engineer (Level 4) is a senior technical individual contributor responsible for the design, implementation, optimization, and support of complex enterprise-wide IT systems. This role provides technical leadership across multiple platforms, ensures high availability, performance, and security of critical services, and mentors junior engineers.

Key Responsibilities

• Infrastructure Administration - Operate, configure, and maintain servers, storage, and virtualization infrastructure.
• Enterprise Services - Manage Active Directory, DNS, DHCP, PKI, and enterprise monitoring tools as well as various other servers.
• Service Delivery & Availability - Achieve >99.9 % uptime; conduct capacity planning, performance tuning, and proactive health checks.
• Operations & Performance Monitor and tune system performance; develop capacity-planning models and implement scalability improvements. Own incident response for Level 3/4 issues; conduct root-cause analysis and drive corrective actions.
• Security & Compliance Apply hardening standards (e.g., CIS Benchmarks, DISA STIGs) and ensure compliance with internal policies and regulatory requirements (e.g., NIST, ISO 27001). Participate in vulnerability assessments and implement remediation strategies.
• Collaboration & Mentorship Partner with networking, security, application, and database teams to deliver integrated solutions. Provide technical mentorship, conduct knowledge-transfer sessions, and review work of junior engineers.
• 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+, CASP, CISSP)
• Active Secret Clearance; Ability and willingness to obtain Top Secret Clearance
• 5+ years of hands-on experience designing, deploying, and supporting enterprise infrastructure
• 2+ years in a senior and/or lead role.
• Strong analytical and problem-solving abilities; excellent communication (technical & non-technical); proven leadership/mentoring capability.

Desired Skills Interview Questions Technical Troubleshooting: Tell me your methods of diagnosing hardware, software and communication problems.

Technical Troubleshooting: What kinds of techniques did you apply to isolating technical problems with Local Area Networks and Wireless Networks?

Technical Troubleshooting: How did you successfully resolve complex, multi-component failures in your previous position(s)?

Pay Information Full-Time Salary Range: $118000.00 - $219100.00 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, candidates 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.