Northrop Grumman Aeronautics Systems is currently seeking a Senior Principal Cyber Systems Engineer for a new and exciting effort located in Melbourne, FL.
We're looking for a highly motivated, team-oriented individual that understands cybersecurity and the importance to our mission. The candidate will be responsible for the secure operations of cloud infrastructure, platforms, and software, including the installation, maintenance, and improvement of cloud computing environments. They will also help develop new designs and security strategies across cloud-based applications and Infrastructure as Code (IaC). The candidate will have hands-on deployment, integration, and configuration experience, and will act as a Cyber Subject Matter Expert (SME) to ensure compliance with the Risk Management Framework.
Responsibilities:
- Serve as an Information System Security Engineer (ISSE), leveraging advanced technical expertise to inform cyber engineering practices and ensuring adherence to cybersecurity disciplines such as COMSEC, COMPUSEC, EMSEC, OPSEC, and effective use of penetration tools and techniques.
- Design, plan, and implement security tooling configurations to ensure compliance with NIST Special Publication (SP) 800-53, CNSSI 1253, and DoD RMF Knowledge Service guidance.
- Assess system security controls, validate the effective implementation of controls, identify vulnerabilities, and propose corrective measures.
- Document the results of Authorization and Accreditation (A&A) activities, prepare System Security Plans (SSPs), and maintain updated Plans of Action and Milestones (POA&Ms).
- Manage the implementation, automation, configuration, and maintenance of security tools, including centralized authentication solutions, IDS/IPS systems, and compliance baselines.
- Provide expert technical analysis of cybersecurity infrastructure challenges, developing innovative technical solutions tailored to customer requirements.
- Collaborate on technical reviews of requirements, to include generating test plans, as well as designing and implementing plans prior to system deployment.
- Recommend and implement enhancements to security systems aimed at improving performance, reliability, and overall security posture, encompassing installation, upgrades, monitoring, troubleshooting, and configuration.
Basic Qualifications:
- Must have a Bachelor’s degree in a STEM-related field with 8 years of experience to include a background in cyber systems engineering, systems engineering or cyber security; or Master’s degree with 6 years of experience; or PhD with 4 years of experience
- Active Secret Clearance with a Personnel Security Investigation (PR) completed within the last 5 years.
- Ability to obtain and maintain Special Program Access prior to commensuration of employment.
- Must have a security certification in CAP/CGRC, CASP/SecurityX, CISM, or CISSP (or Associate) to be considered.
- Experience in preparing, reviewing, and delivering technical and programmatic documentation.
- Prior experience with the planning, design, and implementation processes necessary to support large enterprise systems.
- Working knowledge of NIST 800-37 RMF artifacts, including SSPs, Security Control Traceability Matrices (SCTMs), SARs, RARs, and other documentation.
- Hands-on experience deploying and configuring Linux and Windows systems per DoD STIG requirements.
- Hands on experience configuring Security Incident Event Monitoring (SIEM) and IDS/IPS tools such as ACAS, HBSS, and Splunk within Linux RedHat and Windows environments.
- Familiarity with vulnerability and compliance scanning tools such as Tenable.SC and SCAP.
- Prior experience with scripting security processes to establish consistent, automated baselines across multiple systems for redundancy and efficiency.
Preferred Qualifications
- Active Top Secret Clearance with a Personnel Security Investigation (PR) completed within the last 5 years.
- Strong familiarity with DoD 8500-series and 8510.01 IA policy directives, including IATT and ATO requirements, and general approaches to cybersecurity.
- Exceptional communication (written and oral), negotiation, and interpersonal skills to effectively support ISSE initiatives and collaborate with engineering teams, management, clients, partners, and government stakeholders.
- Experience with next-generation security technologies including Dell, Cisco, Palo Alto, and other advanced networking equipment.
- Knowledge of Software Development Life Cycle (SDLC) processes and tools such as DOORS.
- Experience with cloud service providers like Azure and AWS, focusing on configuration, integration, and sustainability of cloud-based systems.
- Ability to clearly translate complex technical concepts and information for a variety of stakeholders.
- Knowledge of Cross-Domain Solution (CDS) technology and compliance requirements.
- Experience designing, integrating, maintaining, and retiring systems within cloud environments.
Skills Required
- Bachelor's degree in a STEM field with 8 years experience (or Master's with 6 years; PhD with 4 years)
- Active Secret clearance with a Personnel Security Investigation (PR) completed within the last 5 years
- Ability to obtain and maintain Special Program Access prior to commensuration of employment
- Security certification in CAP/CGRC, CASP/SecurityX, CISM, or CISSP (or Associate)
- Experience preparing, reviewing, and delivering technical and programmatic documentation
- Experience with planning, design, and implementation processes for large enterprise systems
- Working knowledge of NIST 800-37 RMF artifacts (SSPs, SCTMs, SARs, RARs)
- Hands-on experience deploying and configuring Linux and Windows systems per DoD STIG requirements
- Hands-on experience configuring SIEM and IDS/IPS tools (e.g., ACAS, HBSS, Splunk) within RedHat and Windows environments
- Familiarity with vulnerability and compliance scanning tools such as Tenable.SC and SCAP
- Experience scripting security processes to establish automated baselines across multiple systems
Northrop Grumman Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Northrop Grumman and has not been reviewed or approved by Northrop Grumman.
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Retirement Support — 401(k) matching is considered strong, with additional defined-benefit coverage for certain cohorts and options like catch-up contributions. Retirement programs are repeatedly highlighted as a core strength of the total rewards.
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Leave & Time Off Breadth — PTO, company-paid holidays, and compressed work schedules (such as 9/80) provide meaningful time away and flexibility. These scheduling options are cited as a major quality-of-life benefit across many locations.
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Parental & Family Support — Paid parental leave alongside caregiver leave, adoption assistance, and back-up care supports a range of family needs. These programs have been expanded recently, signaling continued investment in family support.
Northrop Grumman Insights
What We Do
We are a close-knit community of big thinkers collaborating to keep the world safe. Our passion, creativity and expertise bring next-level technology solutions to life in autonomous systems, cyber, C4ISR, strike, space, and logistics and modernization for our customers around the globe. On the Northrop Grumman team, you’ll join our pursuit of excellence immersed in a dynamic culture of innovation and respect. Your unique perspective will help achieve our shared vision for the future of global security. Every step of the way, you'll be supported by world-class training, employee resource groups and a comprehensive benefits package that enables greater health and happiness for you and your family. Worldwide and across disciplines, we’re challenging what’s possible for technology to protect people and places from undersea to outer space and into cyberspace. And we see the impact of our performance every day. We are Northrop Grumman, and we work on what matters—now, you too can make a difference. Explore opportunities in engineering, IT, manufacturing, business management, cybersecurity and more with us. Northrop Grumman is committed to hiring and retaining a diverse workforce. We are proud to be an Equal Opportunity/Affirmative Action Employer.





