Senior Specialist, IT Security
$96k - $178kL3Harris Technologies
L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers’ mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do.
L3Harris is the Trusted Disruptor in defense tech. With customers’ mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security.
Job Title: Senior Specialist, IT Security
Job Code: 41552
Job Location: Ashburn, VA
Job Schedule: 9/80
Job Description:
As a Senior Specialist, IT Security, you will design, implement, and support enterprise Windows, VMware, and RHEL environments. Acting as a self-driven contributor within a team, you will participate in the full system lifecycle, including development, testing, and production validation. You will apply automation frameworks to improve efficiency, consistency, and reliability while engineering solutions that support both current operations and future program requirements.
Essential Functions
- Execute duties with minimal to no oversight, proactively identifying and addressing areas for improvement.
- Ensure compliance with IT system administration, security, and regulatory standards, including JSIG, NIST 800 series, and DoD Manuals Vol. 1–4.
- Support system design, engineering enhancements, and process improvements across environments.
- Assist in planning, developing, and implementing automation solutions and workflows.
- Monitor, track, and present technical performance metrics for IT systems.
- Analyze system capacity and performance to align with operational requirements.
- Collaborate with development teams to assess and plan for future growth and scalability.
- Maintain and support IT systems, ensuring stability, availability, and security.
- Present technical designs and participate in design reviews with stakeholders.
- Contribute to proposal efforts, including technical input and cost considerations.
- Travel up to 5% as required.
- Obtain and maintain additional clearances as required.
- Lift up to 30 to 50 lbs.
- Work on your feet up to 50% of the day.
- Perform other duties as required.
Qualifications
- Bachelor’s Degree and minimum 6 years of prior relevant experience. Graduate Degree and a minimum of 4 years of prior related experience. In lieu of a degree, minimum of 10 years of prior related experience.
- Active Top Secret clearance
Preferred Additional Skills
- Experience with Linux in an enterprise environment, including RHEL, CentOS, and Fedora.
- Experience with scripting and automation, including Bash, Python, and Ansible.
- Experience with Windows in an enterprise environment, including Server 2019, Exchange, and MDT/WDS.
- Experience with VMware in an enterprise environment, including vSphere, vCenter, and vSAN.
- Experience with network storage solutions, including SAN/NAS, NetApp, MSA, iSCSI, and FCP.
- Experience with industry frameworks and methodologies, including ITIL, Agile, Scrum, DevOps, and SRE.
- Experience designing and administering VMware infrastructure.
- Experience with Cisco routing and switching environments, including network topology design, VLAN configuration, and virtualization integration.Experience with SIEM tools (i.e. Splunk)
- Experience with Tenable.SC deployment & configuration
- Experience with PDQ Deploy and Inventory Windows patch management tool
In compliance with pay transparency requirements, the salary range for this role in Virginia (Greater D.C. area) is $96,000 - $178,000. This is not a guarantee of compensation or salary, as final offer amount may vary based on factors including but not limited to experience and geographic location. L3Harris also offers a variety of benefits, including health and disability insurance, 401(k) match, flexible spending accounts, EAP, education assistance, parental leave, paid time off, and company-paid holidays. The specific programs and options available to an employee may vary depending on date of hire, schedule type, and the applicability of collective bargaining agreements.
#LI-KM1
L3Harris Technologies is proud to be an Equal Opportunity Employer. L3Harris is committed to treating all employees and applicants for employment with respect and dignity and maintaining a workplace that is free from unlawful discrimination. All applicants will be considered for employment without regard to race, color, religion, age, national origin, ancestry, ethnicity, gender (including pregnancy, childbirth, breastfeeding or other related medical conditions), gender identity, gender expression, sexual orientation, marital status, veteran status, disability, genetic information, citizenship status, characteristic or membership in any other group protected by federal, state or local laws. L3Harris maintains a drug-free workplace and performs pre-employment substance abuse testing and background checks, where permitted by law.
Please be aware many of our positions require the ability to obtain a security clearance. Security clearances may only be granted to U.S. citizens. In addition, applicants who accept a conditional offer of employment may be subject to government security investigation(s) and must meet eligibility requirements for access to classified information.
By submitting your resume for this position, you understand and agree that L3Harris Technologies may share your resume, as well as any other related personal information or documentation you provide, with its subsidiaries and affiliated companies for the purpose of considering you for other available positions.
L3Harris Technologies is an E-Verify Employer. Please click here for the E-Verify Poster in English or Spanish . For information regarding your Right To Work, please click here for English or Spanish .
- Job Description We are a company committed to creating diverse and inclusive environments where people can bring their full, authentic selves to work every day. We are an equal opportunity/affirmative action employer that believes everyone matters. Qualified candidates...Senior
- ...of cyber. If you want to be part of a collaborative team that supports challenging, meaningful work that is vital to our national security, apply today!Principal Cyber EngineerCyber Offense and Defense Experts (CODEX) is seeking a cyber engineer to join our team to solve...SeniorFull timeRelocationRelocation package
- ...Senior Principal Cyber Engineer Cyber Offense and Defense Experts (CODEX) is seeking a cyber engineer to join our team to solve real... ...for this work is at a customer site in Sterling, Virginia. Security Clearance Current TS/SCI clearance is required Technical...SeniorRelocationRelocation package
- ...protocols, record keeping, merchandising, inventory control, product storage, and cash handling. Implements and upholds safety and security procedures. Ensures all minimum licensing requirements are satisfied and maintained. Reviews department budget, financial...SeniorFull timeTemporary workApprenticeshipWork at office
$122k - $253k
...you want to be part of a collaborative team that supports challenging, meaningful work that is vital to our national security, apply today! Senior Principal Cyber Engineer Cyber Offense and Defense Experts (CODEX) is seeking a cyber engineer to join our...SeniorRelocationRelocation package$96k - $178k
...end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security. Job Title: Senior Specialist Manufacturing Electrical Engineering Job Code: 42119 Job Location: Ashburn, Va Job Schedule: 9/80:...SeniorFull timeLocal areaFlexible hours- ...Access Management (IAM) to join our team as a Senior Principal Information Engineer. This is a... ...Information Engineer role is critical to securing user identities, credentials, application... ....10+ years of experience in enterprise IT or Information Security, with strong...SeniorFull timeFor contractorsRemote work
- ...and business-aligned contracting.THE IMPACT YOU WILL MAKEThe Senior Sourcing Specialist - Software and SaaS role will offer you the flexibility to... ...experience.5+ years of experience in software/SaaS sourcing, IT procurement, technology category management, supplier management...SeniorFull timeContract workWork at officeRemote work
$108.48k - $184.41k
Senior Specialist, C&I BuildingsLocation: US RemoteReady to make a difference? To support our growth and accelerate our ability to scale, we are currently seeking a Commercial and Industrial (C&I) Solutions Senior Specialist for our Utility Programs & Services division...SeniorFull timeContract workWork experience placementWork at officeLocal areaRemote workFlexible hours- ...maintaining systems running in a containerized environment.For Senior Principal level: A Bachelor's degree with 9+ years of relevant... ...MUST HAVE AN ACTIVE TS/SCI WITH CI POLY CLEARANCE******Desired:Security+ or equivalent certification and willingness to serve as a privileged...SeniorWork at office
- ...Senior Specialist, Program ManagementL3Harris is seeking a qualified Telecommunications Project Manager. The Project Manager is responsible for successful quality and timely delivery of Telecommunications solutions through effective application of project management principles...Senior
- Nightwing Intelligence Solutions, LLC seeks a Principal Cyber Engineer to join the CODEX division and solve real-time cyber challenges on-site with end users. You will build high-impact native applications for mobile devices and integrate reverse engineering results into...Senior
- ...Senior Specialist, Program Finance L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about... ...air, land, sea and cyber domains in the interest of national security. Job Location: Camden NJ or Herndon, VA. Schedule: 9/8...SeniorWork at office
$175k - $260k
...Senior Information Security Engineer, Offensive SecuritySterling, Virginia, United StatesWhat Impact You'll HaveSeeking experienced offensive security professionals to conduct security assessments, red team operations, and network exploitation activities in support of...SeniorWork experience placement- ...comfortable working with containers and automated testing frameworks.For Senior Principal level: A Bachelor's degree with 9+ years of relevant... ...js.Familiarity with frameworks like Django, FastAPI, or Flask.Security+ or equivalent certification and willingness to serve as a...SeniorWork at office
$60 - $90 per hour
...TestPros delivers innovative independent IT assessment solutions to critical challenges... ...dedicated to making lives better, safer and more secure. TestPros is seeking Senior Independent Verification and Validation (IV&V) Specialists Start: Future projects late 2026 or 202...SeniorRemote jobFull timeContract workFor contractorsWork experience placementImmediate start$77k - $163k
...If you want to be part of a collaborative team that supports challenging, meaningful work that is vital to our national security, apply today!Senior Cyber Test EngineerCODEX is seeking a cyber test engineer for a high-visibility CNO development team. In this role, you...SeniorFull timeRelocationFlexible hours$102k - $189k
Job Title: Senior Specialist, Integration & Test Engineer (Mechanical Integration Engineer)Job Code: 43468Job Location: Chantilly, VA (On-Site... ...their hands dirty with a complex communications system, setting it up, testing it, and teaching others how to use it. You'll be...SeniorFor contractorsFlexible hours- ...Job Description Job Description Job Description: Senior Principal Cyber Systems Engineer (DevOps Engineer)The selected candidate will integrate a variety of software components in a secure container architecture working with cross functional teams to debug critical...Senior
- ...Senior Program Integration Specialist OMNI Consulting Solutions is seeking a Senior PEO Action Group / Command Action Group Analyst to provide high... ...Office. This role supports a high-visibility national security mission and requires exceptional judgment,...SeniorFor contractorsWork at office
$113.2k - $237.8k
...of Travel Required: Up to 25%Type of Travel: Continental US* * *The Opportunity:Join our unique team solving wide-ranging national security cyber and hardware challenges. Use your skills in interesting projects involving cyber reverse engineering and vulnerability...SeniorContract workWork experience placementFlexible hours$90k - $105k
Senior Compensation Specialist Location: Hybrid in Herndon, VA (3 days/week on site) Clearance Required: None Duration: Full-time, Permanent Pay Type: W2 employee Reporting to: Director of Human Resources and Training Dotted Line to: Controller Management Duties: None...SeniorPermanent employmentFull timeContract workTemporary workFor contractorsWork at officeLocal areaRemote work3 days per week$20 - $24 per hour
...Senior Technician & Growth Specialist We are looking for a motivated, full-time Senior Technician & Growth Specialist. This is a dual-impact role: you will lead on-site service execution and serve as a Brand Ambassador to drive business during non-service hours. This...SeniorHourly payFull timeLocal area$153.6k - $207.8k
...project success? Is your expertise grounded in security best practices across applications,... ...customers to fully utilize AWS capabilities.Our Specialist Solutions Architects are recognized as... ...with internal and external executives, IT management, and developers- Experience...SeniorWorldwideFlexible hours$106.5k - $197.5k
...verification test efforts. Able to effectively brief status and results to program and customer. Ability to obtain and maintain U.S. DOD security clearance which requires U.S. Citizenship. Willingness and ability to travel up to 15%. Other duties as required. Qualifications:...SeniorWork at officeLocal areaFlexible hours- ...TestPros delivers innovative independent IT assessment solutions to critical challenges facing the nation and the... ...TestPros is dedicated to making lives better, safer and more secure. TestPros is seeking a Senior Software/System Test Engineer with an analytical,...SeniorContract workPart timeFor contractorsWork experience placementLocal areaImmediate startRemote work
- ...I have an opportunity for "Senior Solutions Architect" and looking for a candidate who can join Immediately if you are interested... ...to develop test procedures to validate related and evolving IT-GRC security regulations. Must have understanding of all major operating systems...SeniorFull timeWork experience placementWork at officeImmediate startRemote work
$99k - $206k
...Nightwing Information Technology is seeking a Senior Cloud Platform Engineer to lead the... ...In this role, you will own the design of secure, scalable, and cost‑optimized cloud environments... ...senior‑level expertise and support for IT operations related to security monitoring,...SeniorFull time$101k - $194k
...communities and building trust in how we show up, everywhere & always. Want in? Join the #VTeamLife.What you’ll be doing…The GN&T Network Security team has an opening for Engineer IV’s in the Network Access team. This role will center around delivery and operations of the...SeniorFull timeTemporary workPart timeWork experience placementWork at officeWork from homeShift work3 days per week$98.5k - $206.8k
Job Title: Senior Cyber Automation Engineer - ISSEJob Category: EngineeringTime Type: Full timeMinimum Clearance Required to Start: TS... ...activities of new automation tools in support of enterprise security requirements.Your responsibilities will include system hardening...SeniorContract workWork experience placementFlexible hours
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Senior Specialist, IT Security. Be the first to apply!
- configuration specialist Ashburn, VA
- localization specialist Ashburn, VA
- investigations specialist Ashburn, VA
- ecommerce specialist Ashburn, VA
- infectious disease specialist Ashburn, VA
- credit specialist Ashburn, VA
- microbiology specialist Ashburn, VA
- policy specialist Ashburn, VA
- mental health specialist Ashburn, VA
- restaurant specialist Ashburn, VA



