Cyber Security Engineer, Mid/Senior

Cyber Security Engineer, Mid/Senior OverviewSimTech, Inc., recognized as one of the 2026 Best Places for Working Parents, is seeking a Cyber Security Engineer, Mid/Senior to join our dynamic and diverse team in Huntsville, AL. This is an upcoming opening with opportunities for growth and professional development. SimTech offers a market leading compensation package with excellent benefits, work/life balance, outstanding retirement plan, career advancement and much more. The Cyber Security Engineer, Mid/Senior is responsible for ensuring software applications, systems, and networks comply with Department of Defense cybersecurity and risk management requirements. This role conducts security assessments, vulnerability analysis, compliance audits, and continuous monitoring to evaluate and strengthen system security. Responsibilities Utilizing best practices and methods for monitoring, auditing, and measuring risk, compliance, and assurance efforts. Ensuring risk, compliance, and assurance efforts conform to Department of War (DoW) security, resilience, and dependability requirements at the software application, system, and network levels. Documenting preliminary or residual security risks for system operation. Verifying that the software application/network/system authorization and assurance documentation is current. Monitoring and evaluating a system's compliance with DoW security, resilience, and dependability requirements including performing validation steps, comparing actual results with expected results and analyzing the differences to identify impact and risks. Provide an accurate technical evaluation of the software application, system, or network, documenting the security posture, capabilities, and vulnerabilities against applicable NIST controls. Recommending new or revised security measures and countermeasures based on risk analysis then verifying that security postures are implemented as stated, document deviations, and recommend required actions to correct those deviations. Responsible for the operation of DOW tools, security monitoring and auditing solution utilizing a COTS product i.e. (Elastic Endpoint Security Solutions (ESS), etc.) and industry wide best practices. Conducts regular audits to ensure that systems are being operated securely, and information systems security policies and procedures are being implemented as defined in the security plan. Conduct annual inspections to validate system updates, configuration compliance utilizing technical scans, and physical observations at domestic and foreign sites (~10% travel). Data collection, documentation and reporting on all the above responsibilities as required. Perform other duties as assigned to realize mission success. Support Stakeholders in the operation of the comprehensive Elastic platform in terms of know-how and the technologies used. Performs other duties as assigned. Minimum Qualifications & Education Requirements and Desired Skillsets Experience RequirementsBachelor's degree in Computer Science or a related field, or equivalent experience (experience may be substituted for a degree). Mid and Senior-Level candidates considered (5-20 years). 5+ years of cybersecurity experience, preferably supporting Department of Defense (DoD) environments. 5+ years of experience administering and securing Red Hat Enterprise Linux (RHEL) operating systems. 5+ years of experience with DoD cybersecurity tools and processes, including eMASS, STIGs, IAVAs, ACAS/Nessus, SCAP, and RMF documentation. 5+ years of experience conducting vulnerability assessments, system audits, POA&M management, and RMF package development. 5+ years of experience working with cybersecurity frameworks and standards such as NIST and NISPOM. 5+ years of technical writing skills to include SOPs Minimum QualificationsMeet DoD 8570 Information Assurance Technical (IAT) Level II or Information Assurance Management (IAM) Level II certification requirements upon employment (e.g., CISSP or CISM). Experience with Red Hat Enterprise Linux (RHEL) operating systems. Working knowledge of DoD security policies and procedures. Understanding of Enterprise Mission Assurance Support Service (eMASS), Security Technical Implementation Guides (STIGs), IAVAs, Assured Compliance Assessment Solution (ACAS), Security Content Automation Protocol (SCAP), and Evaluate-STIG Validation Tool. Knowledge of ACAS, Nessus, Elastic, SCAP, POA&Ms, NIST, NISPOM, system audits, vulnerability scanning, and RMF package development. Strong oral and written communication skills. Ability to work independently while collaborating effectively within a team environment. U.S. Citizenship with Active Secret Security clearance and ability to maintain the designated security clearance level is required. Desired Skills / Preferred QualificationsLinux certification (Linux+, LPIC, RHCSA, or RHCE). Previous experience supporting the Missile Defense Agency (MDA), its elements/components, or similar system-of-systems environments. Experience working in DoD mission assurance or enterprise cybersecurity environments. Knowledge of Zero Trust Knowledge of Containers Knowledge of Cloud Physical DescriptionEmployees in these positions will function in a general office/cubicle setting environment, and laboratory/testing setting using standard office equipment and various electronic testing equipment, including a computer, telephone, printers, video equipment, computer software, and testing equipment. Will interact in a general office setting environment with various personnel; participate in meetings and contribute to team success; deliver timely results and produce reports; receive and communicate information; may include telework. May function in a specialized laboratory/testing environment using electronic testing equipment, computer software, and complex systems. May move and test equipment of various weights. Laboratory environment may require use of protective equipment (PPE) including but not limited to safety glasses and protective hearing and footwear. May be expected to work varying shifts and hours to ensure successful operation of activities in the organization due to business demands; travel occasionally for assigned work. About SimTech, Inc.SimTech's mission is to be the most reliable and cost-effective provider of Signature Models, Simulations, Hardware, Software, Cyber solutions, and Test & Evaluation services. Established in 1983 by a team of experienced scientists and engineers, SimTech has a long history of delivering high-technology defense-oriented solutions. The company has been recognized as a "Best Place to Work" in 2020 and 2021, and as a "Best Place for Working Parents" in 2022-2026 by the Huntsville/Madison County Chamber of Commerce. SimTech offers an industry-leading comprehensive compensation and benefits package. Be a part of over 43+ years of excellence-join our team today! To learn more about our exceptional team and employee benefits, contact SimTech HR or visit for more information. Equal Employment Opportunity and Affirmative Action EmployerSimTech, Inc. is an Equal Opportunity/Affirmative Action Employer. SimTech, Inc. is a committed EOE/Vet/Disabled employer. Simulation Technologies, Inc. (SimTech) is an Equal Employment Opportunity employer and provides reasonable accommodation for qualified individuals with disabilities and disabled veterans in its job application procedures. If you have any difficulty using our online system and you need an accommodation due to a disability, you may use the following email address, View email address on us.fitly.work and/or phone number View phone number on us.fitly.work) to contact us about your interest in employment with SimTech. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, genetic information, citizenship, ancestry, marital status, protected veteran status, disability status or any other status protected by federal, state, or local law. SimTech participates in E-Verify. 

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