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Information System Security Engineer (ISSE)

Lockheed Martin

Hanover, MDFull-time$136–252K/yrSeen todaySeen in employer's feed today

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At a glance

Compensation
$136–252K/yr
Location
Hanover, MD
Schedule
Full-time
Work Authorization
Not specified

Olive lists jobs from US employers, including remote roles you can work from the United States.

Requirements

Credentials this posting asks for.

IASAE Level 2 CertificationCISSP CertificationSecurity clearance

Job overview

The Information System Security Engineer performs or reviews technical security assessments of computing environments, identifies vulnerabilities and non-compliance, and recommends mitigation strategies. The role validates security requirements, establishes system security designs, integrates information assurance and security components, and supports security architecture, risk management, certification, and awareness activities. It also reviews certification and accreditation documentation for completeness and compliance.

Skills & qualifications

RequiredNice to have

Skills

Technical Security AssessmentsVulnerability IdentificationMitigation StrategiesSecurity Requirements AnalysisSystem Security DesignInformation Assurance IntegrationSecurity ArchitectureRisk ManagementSecure NetworkingEnclave IntegrationIA Policy ApplicationClient InteractionProject Team InteractionGovernment Data ClassificationSystem-Level Security Recommendations

Qualifications

14 Years ISSE ExperienceBachelor's in Computer Science or RelatedIASAE Level 2 CertificationCISSP CertificationBachelor's or 4 Years ISSE ExperienceCurrent US Security Clearance With Polygraph

Benefits

Medical Insurance
Dental Insurance
Vision Insurance
401(k) Match
Paid Time Off
Parental Leave
Tuition Assistance

Full job description

Standard Job Description

WHAT WE’RE DOING

At Lockheed Martin Rotary and Mission Systems, we're on a mission to drive innovation and uphold the highest standards of business ethics. We believe that by pushing the boundaries of visionary thinking, we can achieve exceptional results. As a Lockheed Martin employee, you'll have the opportunity to make a meaningful impact while working in an environment that values integrity and excellence. By leveraging your expertise in instructional design and technical training, you will play a critical role in enhancing the operational readiness of our Cyber & Intelligence teams and ensuring the success of high-stakes national security missions.

THE WORK

In this role, you're responsible for performing or reviewing technical security assessments of computing environments to identify points of vulnerability, non-compliance with established Information Assurance standards and regulations, and recommending mitigation strategies. Validate and verify system security requirements definitions and analysis, and establish system security designs. Design, develop, implement and/or integrate IA and security systems and system components including those for networking, computing, and enclave environments to include those with multiple enclaves and with differing data protection/classification requirements. Build IA into systems deployed to operational environments. Assist architects and systems developers in the identification and implementation of appropriate information security functionality to ensure uniform application of Agency security policy and enterprise solutions. Support the building of security architectures, enforce the design and implementation of trusted relations among external systems and architectures, and assess and mitigate system security threats/risks throughout the program life cycle. Contribute to security planning, assessment, risk analysis, risk management, certification and awareness activities for system and networking operations. Review certification and accreditation documentation providing feedback on completeness and compliance of its content.

WHY JOIN US

In this role you will have the opportunity to shape the future of technical proficiency within the Cyber & Intelligence domain, directly impacting the capabilities of those who protect our national security.

Our benefits are built to match the caliber of your work. Reliable, high performing, and mission ready. You’ll enjoy world class resources, mentorship, continuous learning, competitive compensation, comprehensive benefits, and a supportive work life balance—all within a culture that values innovation, integrity, and collaboration.

Know someone? The External Referral Program lets you submit a referral. If your referral is hired, you'll receive a $3000 payment!

PLUS you may be eligible for up to a $25K sign on bonus for you to join the team.

Additional program roles found by searching #RMSIL2026 and #LMCyberJobs #RMSROC #ONELMHOTJOBS

Basic Qualifications

  • Fourteen (14) years experience as an ISSE on programs and contracts of similar scope, type, and complexity is required

  • Bachelor’s degree in Computer Science, Information Assurance, Information Security System Engineering, or a related discipline from an accredited college or university is required

  • DoD 8140 compliance with IASAE Level 2 certification is required

  • CISSP Certification is required

  • Four (4) years of ISSE experience may be substituted for a bachelor’s degree

  • Current US Security Clearance with Polygraph within the last 7 years is required

Desired Skills

  • Secure networking & enclave environment integration

  • IA architecture and system component integration

  • IA policy, procedures, and workforce structure application

  • Client and project team interaction

  • Trusted relationships enforcement for external systems and architectures

  • Security planning, assessment, and risk analysis/management

  • Government data handling and classification requirements identification

  • Multi-enclave system design with differing protection classifications

  • System-level security solution recommendation

Pay Information

Full-Time Salary Range: $135700.00 - $251900.00

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.

Lockheed Martin is an equal opportunity employer. Qualified candidates will be considered without regard to legally protected characteristics.

How this job compares

Set against the 1,629 open Cybersecurity Engineer jobs on Olive Jobs, counted October 29, 2026.

Pay
  • This posting$136–252K/yr
  • Maryland median$122–213K/yr69 salary ranges
  • US median$108–195K/yr1,297 salary ranges

This range's midpoint, $194K, is 15% above the Maryland median midpoint ($168K) — in the middle half of Cybersecurity Engineer salary ranges in Maryland.

Openings
Olive Jobs lists 95 open Cybersecurity Engineer jobs in Maryland and 1,629 across the US. 3% of them nationwide are listed as remote or flexible.
Hiring the most in Maryland
Experience
This posting asks for at least 14 years of experience — more than three in four Cybersecurity Engineer postings that state a minimum ask for (median 4 years, across 1,521 postings).
Education
668 of the 1,629 open Cybersecurity Engineer jobs (41%) ask for a bachelor's degree or higher.

Counted across the open, public US postings on Olive Jobs on October 29, 2026. Pay medians are the middle values of the low ends and of the high ends of postings that list both ends of a range in the same cadence (a yearly salary or an hourly rate); a range's midpoint is halfway between its ends. Pay and experience figures resting on fewer than 20 postings are left out.

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