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  1. Home
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  5. Senior Specialist, Information Security Systems Engineering (ISSE)
L3Harris Technologies logo

Senior Specialist, Information Security Systems Engineering (ISSE)

Not Disclosed•Full-TimeOn-site

location_onUnited States Post Office Antares Station, 2641, East Uintah Street, Knob Hill, Colorado Springs, El Paso County, Colorado, 80909, United States

Apply Now

About L3Harris

L3Harris is the Trusted Disruptor in defense technology, dedicated to recruiting and developing high-performing talent passionate about their work. Our employees are unified by a shared dedication to our customers' missions and a quest for professional growth. We provide an inclusive, engaging environment designed to empower employees and promote work-life success, with a fundamental focus on values, community dedication, and excellence.

With our customers' mission-critical needs always in mind, our team delivers end-to-end technology solutions connecting the space, air, land, sea, and cyber domains in the interest of national security.

About the Role

This position serves as a Senior Specialist in Information Security Systems Engineering (ISSE) within a team of three specialists located in Dahlgren, VA, or Colorado Springs, CO. The role is designed to apply current systems security engineering methods to the architecture, design, development, evaluation, and integration of systems and networks.

You will work closely with customers throughout the system lifecycle to ensure security protection needs are defined and implemented with appropriate fidelity and rigor. This includes collaborating with systems developers and commercial product vendors to design state-of-the-art secure systems, networks, and database products. Your work will involve integrating multiple security methods into a cohesive perimeter, preparing Certification and Accreditation documentation using industry standards like NIST 800-37, and representing program security needs at customer meetings. The role requires a 100% on-site commitment with a 5/8 Monday-Friday schedule.

Hiring Process & Application

Candidates must possess a Top Secret Clearance with SCI eligibility, as security clearances may only be granted to U.S. citizens. Applicants who accept a conditional offer of employment may be subject to government security investigations and must meet eligibility requirements for access to classified information. By submitting your resume, you agree that L3Harris Technologies may share your information with its subsidiaries and affiliated companies for consideration for other available positions.

L3Harris Technologies is an E-Verify Employer. For information regarding your Right to Work, please refer to the official EEOC resources.

Equal Opportunity & Culture

L3Harris Technologies is proud to be an Equal Opportunity Employer. We are committed to treating all employees and applicants with respect and dignity, maintaining a workplace free from unlawful discrimination. All applicants will be considered without regard to race, color, religion, age, national origin, ancestry, ethnicity, gender, gender identity, sexual orientation, marital status, veteran status, disability, genetic information, or citizenship status.

L3Harris maintains a drug-free workplace and performs pre-employment substance abuse testing and background checks where permitted by law.

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Work location

Work model: On-site

location_on

United States Post Office Antares Station, 2641, East Uintah Street, Knob Hill, Colorado Springs, El Paso County, Colorado, 80909, United States

Colorado Springs, Colorado

Key Responsibilities

  • check_circleApply systems security engineering methods to architecture, design, and integration of secure systems
  • check_circleConduct ACAS vulnerability scans using Nessus Security Center and manage scan profiles
  • check_circlePerform annual control assessments to validate security controls function as intended
  • check_circleDevelop and manage Plans of Action & Milestones for identified security weaknesses
  • check_circlePrepare Certification and Accreditation documentation using NIST 800-37 standards
  • check_circleServe as primary incident handler following established operating procedures and protocols
  • check_circleConduct weekly audit log reviews to identify security events and unusual activity patterns
  • check_circleCoordinate Interconnection Security Agreements for external connections and documentation
  • check_circleManage and monitor ESS and Powertech security tools to support continuous monitoring
  • check_circleAssist with patch management including application and verification of successful deployment

Requirements

  • verifiedBachelor's Degree and minimum 6 years of prior relevant experience
  • verifiedDOD 8140 certification (or NIST 800-181)
  • verifiedTop Secret Clearance with SCI required
  • verifiedU.S. citizenship

Nice to Have

Familiarity with IBM AIX, Cisco and Juniper networking equipment operating systems, Palo Alto firewalls, and VMware vCenter. Direct experience with cryptographic systems used to protect space/ground communications. Experience in configuration and use of cyber defense and vulnerability assessment tools such as ACAS, SCC and ESS. Knowledge of system testing and evaluation methods and RMF assessment methodology & process. Experience applying DISA System Technical Implementation Guides (STIGs) to Operating Systems, Applications, Network devices. Experience hardening Linux and Windows based operating systems. Experience implementing Multi-Factor Authentication (RSA SecurID or equivalent).

Benefits & Perks

check_circleHealth and disability insurancecheck_circle401(k) matchcheck_circleFlexible spending accountscheck_circleEmployee assistance program (EAP)check_circleEducation assistancecheck_circleParental leavecheck_circlePaid time offcheck_circleCompany-paid holidays
L3Harris Technologies cover image
L3Harris Technologies logo
Company

L3Harris Technologies

Industry

Defense and Space Manufacturing

Headquarters

Melbourne, Florida

Open Roles

1

L3Harris Technologies operates as a key entity within the Defense and Space Manufacturing sector, headquartered in Melbourne, Florida. The organization functions as a provider of trusted disruption solutions, focusing on delivering end-to-end technology capabilities. Its primary objective is to address the mission-critical requirements of its clients by integrating operations across multiple domains, including space, air, land, sea, and cyber. These efforts are directed toward supporting national security interests. The company serves a customer base that relies on these integrated technological solutions for complex operational needs. By connecting diverse operational environments, L3Harris Technologies ensures that its workforce can provide comprehensive support tailored to specific defense and space challenges. The firm maintains a presence in Melbourne, Florida, where it continues to develop and deploy advanced technologies. Further details regarding the company's portfolio and history are available through its official website. L3Harris Technologies remains committed to meeting the evolving demands of the defense industry through innovation and dedicated service.
View company profilearrow_forwardlanguageWebsitelinkLinkedIn
Quick Overview

Experience

6+ yrs (Senior)

Education

Bachelor's Degree required with 6 years experience

Job Type

Full-Time

Skills Required

Systems Security EngineeringEncryption TechnologyVulnerability AnalysisSecurity ManagementCertification And AccreditationNist 800-37
$103k-166k
arrow_forward
Recrutus

Curating the world's most innovative career opportunities. We bridge the gap between visionary talent and industry-leading companies.

Search roles by city, category, skill, or job type — explore verified employers, salary benchmarks, and remote-friendly teams across India and beyond.

publiclanguageshare
Job seekers
Browse jobsCompanies hiringRemote jobsJobs by locationJobs by cityJobs by categoryCareer guidesCareer blogSalary insights
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About usFAQContactPrivacy policyUS privacy notice

Recrutus helps candidates discover roles that match their skills and helps teams reach qualified applicants faster. Browse by metro, discipline, or work style — from internships to senior leadership.

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