Cyber System Security Engineer Sr

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* Description:

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* ** Company Overview** :
At Lockheed Martin, we unite passionate individuals to drive purposeful innovation, ensuring safety and solving the world's most complex challenges  Our team comprises some of the brightest minds in the industry, making Lockheed Martin an exceptional place to work  We prioritize our employees by offering many career opportunities that promote development and agility  With flexible schedules, competitive pay, and comprehensive benefits, we empower our employees to lead healthy, fulfilling lives both at work and beyond  At Lockheed Martin, we emphasize innovation, integrity, and corporate responsibility  Your mission is ours

** Key Responsibilities** :

The Cyber Systems Security Engineer Sr will be responsible for leading a team of fellow engineers in the designing, assembly, integration, and maintenance of System Integration Lab  SIL   This includes network planning, hardware installation, software integration support, verification, and validation of system functionality

In addition to designing and building the SIL, the applicant will be responsible for ensuring the SIL NIST/RMF/JSIG compliant and assist in the submitting of an ATO package

They will be involved in solving complex problems associated with both the hardware and software systems  Work will also include modification, and maintenance of system drawings  network architecture, layout, cable drawings, rack drawings  

- Perform and manage system integration, test and troubleshooting of various hardware/software configurations

- Installing, and managing of equipment in server racks and updating the inventory

- Establish Hardware In The Loop  HWIL /Closed Loop development and testing in the Systems Integration Lab  SIL

- Participate in technical exchange meetings, interface with customers  internal/external  and contributing to a broad range of program deliverables

- Integrating hardware from sub system teams, interface with other elements, and the system and segment level teams

- Apply the principles of engineering to design components and systems using applicable standards and specifications

- Maintain design documentation and follow configuration management requirements

** What's In It For You:*
* We offer flexible work schedules to comprehensive benefits investing in your future and security, Learn more about Lockheed Martin's comprehensive benefits package here

Must be a US Citizen ;
This position will require a government security clearance ;
This position is located at a facility that requires special access

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* Basic Qualifications:

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* Proven experience with enterprise‑grade security platforms

Strong background in operating systems, including Windows Server  2016/2019/2022  and Linux distributions  RHEL

Hands‑on expertise with VMware virtualization technologies

Solid understanding of networking fundamentals, particularly routing and switching protocols and architectures

Demonstrated ability to perform system hardening, vulnerability remediation, and security configuration management

Experience providing end‑user support and responding to security incidents

Willingness and availability to provide after‑hours or on‑call support as needed

DOD 8570 certifications such as CompTIA Security , CASP, CISSP or CCNP Security

** Desired

Skills:

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* Capable of completing any additional enhanced security reviews required by government contracts; must acquire and maintain all necessary program clearances within a timeframe that satisfies Lockheed Martin's operational needs

Bachelor's degree from an accredited institution in a relevant discipline or an equivalent combination of education and at least five years of professional experience

Proficient with enterprise security and network‑monitoring tools  Splunk, Trellix ePO, ACAS/Tenable sc, Tanium, Microsoft Sentinel  to detect, respond to, mitigate, and report cyber incidents

≥ 5 years experience administering Windows operating systems  Server 2016/2019, Windows 10/11, etc   and Linux platforms  Red Hat Enterprise Linux, IBM/AIX, etc   

Hands‑on experience with virtualization technologies such as VMware, Horizon, vSphere, vCenter, vSAN, and Hyper‑V

Strong understanding…