Sign up to access all features of our service.
  • Job search
  • Favorites
  • Create a CV
    New
  • Salaries
  • Subscriptions

Senior Cyber Engineer (TS/SCI w/CI Poly Required)

$151.8k - $187.5k

Everfox

Senior Cyber Engineer

Intelligent. Dynamic. Resilient.

Everfox, formerly Forcepoint Federal, has been defending the world's most critical data and networks against the most complex cyber threats imaginable for more than 25 years. As trailblazers in defense-grade, high assurance cyber security, we have been leading the way in developing and delivering innovative cyber security technology. We protect data wherever it resides. Our unwavering dedication and commitment to our customers and the critical missions they serve are what set us apart. We are dynamic, vigilant, and proactive in everything we do. Our suite of cross domain, threat protection and insider risk solutions empower governments and enterprise organizations to use data safely - where and however their people need it. At Everfox, we innovate, we invest, we achieve. We protect what matters most to our customers. And we offer protection like no other. We do all of this so our customers can focus on what matters most… their mission.

Location: Washington DC with 50% travel

The Position

We are looking for talented cyber engineers motivated to help customers solve complex and fast-moving cybersecurity challenges supporting the U.S. Government. Focusing on our Cross Domain solutions, you will interface directly with customers and play a key role in installing, configuring, and integrating a Cross Domain solutions to ensure customer success. The successful and highly motivated candidate will be offered specialized training to support our technologies and is expected to become proficient in all aspects of complex software solution deployment. This position provides the opportunity for CONUS/OCONUS travel to meet customer and project requirements.

What You'll Be Doing
  • Self-starter utilizing your Linux and scripting expertise to support and field critical customer driven requirements, enabling secure data transfer
  • Utilize interpersonal skills to engage directly with the customer to provide advanced design, analysis and implementation of our software
  • Demonstrate competency working hands-on in Linux based environments, troubleshooting on-site technical issues, using and configuring the Forcepoint solutions to deliver critical customer driver requirements
  • Leverage standard networking concepts to support the design and implementation of Cross Domain solution to include failover, co-op, and load balancing as well as interoperability with other components within the enterprise.
  • Develop data inspection policies using proprietary and open source programming languages
  • Provide technical briefings to customers and Forcepoint corporate leadership as required
  • Mission oriented to provide training, troubleshooting, and on-site/remote support to customers.

Work Schedule: Full Time, Monday – Friday (standard work schedule with flexibility for mission critical requirements)

This position requires at a minimum 50% travel to CONUS and OCONUS customer facilities as needed to meet customer and project requirements.

Work Location: Our employees are geographically dispersed across the continental U.S. While we have office concentrations in Herndon VA, Richardson TX and Salt Lake City UT, applicants may work from home with management approval.

Things You Must Have to Apply
  • Active (currently in Use) TS/SCI clearance with Counterintelligence (CI) Polygraph
  • 8+ years of experience in a cyber engineer role supporting enterprise software solutions
  • Advanced experience in Linux and scripting
  • Strong software development experience using procedural programming languages
  • Excellent communication skills and ability to relay technical information to customers and laypersons
  • Interest or experience in cyber security to include practices/methodologies, associated technologies, application design and development and/or experience in an operational environment
  • Strong knowledge of networking concepts (e.g. TCP/IP, firewalls, routers, etc.)
  • Strong knowledge of programming logic and methodologies (e.g., regular expressions)
  • BS Computer Science, Computer Engineer, Information Security or equivalent
  • DODI 8570.1-M Compliance at IAT Level I; SANS GSEC, CISSP preferred
Things That Would Be Nice To Have
  • Experience with security design and architecture of Cross Domain solutions (CDS)
  • Working knowledge of virtualized, networked environments, specifically VMWare and HyperV based systems
  • Strong verbal and technical writing skills
  • Experience with security COTS product integration (e.g., firewall, web gateways, Data Loss Prevention)
  • Prepare documentation to support Assessment and Authorization (A&A) activities
  • Apply knowledge of current Information Assurance (IA) policies as a contributor to the architecture and design of secure solutions to customer needs and requirements

A reasonable estimate of the base salary range for this role is: $151,800.00-187,500.00 USD

The actual salary offered may vary within the range based on a candidates' unique experience, locale, and business needs. In addition to a base salary and bonus plans, Everfox offers a generous benefits package including flexible PTO, a 401k match, and contribution to healthcare coverages. Our talent acquisition team will provide specific information regarding bonus eligibility and benefits offerings.

Don't meet every single qualification? Studies show people are hesitant to apply if they don't meet all requirements listed in a job posting. If there is something slightly different about your previous experience, but it otherwise aligns and you're excited about this role, we encourage you to apply. You could be a great candidate for this or other roles on our team.

Everfox is an equal employment opportunity employer and complies with all applicable federal, state, and local laws prohibiting discrimination. Everfox does not discriminate against any employee or applicant based on race, color, religion, sex, age, national origin, disability, veteran status, marital status, medical condition, or any other category protected by applicable law. If you are a qualified individual with a disability or a disabled veteran, you may request a reasonable accommodation if you are unable or limited in your ability to use or access the Company's career webpage as a result of your disability. You may request reasonable accommodations by sending an email to View email address on click.appcast.io

Everfox is a Federal Contractor. Certain positions with Everfox require access to controlled goods and technologies subject to the International Traffic in Arms Regulations or the Export Administration Regulations. Applicants for these positions may need to be "U.S. Persons," as defined in these regulations. Generally, a "U.S. Person" is a U.S. citizen, lawful permanent resident, or an individual who has been admitted as a refugee or granted asylum.

Applicants must have the right to work in the location to which you have applied.

Vacancy posted 9 hours ago
Similar jobs that could be interesting for youBased on the Senior Cyber Engineer (TS/SCI w/CI Poly Required) in Herndon, VA vacancy
  •  ...Senior Cyber Engineer (TS/SCI w/CI Poly Required)Skip to main contentThis site uses cookies, as explained in our Privacy Policy. If you use this site without adjusting your cookies settings, you agree to our use of cookies.#Senior Cyber Engineer (TS/SCI w/CI Poly Required... 
    Senior
    Permanent employment
    Full time
    For contractors
    Local area
    Remote work
    Monday to Friday
    Flexible hours

    Everfox Holdings LLC

    Chantilly, Loudoun County, VA
    1 day ago
  •  ...Overview Sterling, United States | Posted on 06/10/2026 Security Clearance: Active DoD Top Secret TS/SCI w/CI Poly Clearance We are looking for a Sr. Systems Engineer experienced in configuring, deploying, and maintaining IBM’s Enterprise Lifecycle Management (ELM) tool... 
    Senior

    Calibrate North

    Sterling, VA
    5 days ago
  •  ...Job Description Job Description: Senior Principal Cyber Systems Engineer (DevOps Engineer) The selected candidate...  ...to OCP. Only Candidates with a TS/SCI CI Poly Clearance will be considered...  ...Selenium, Artifactory, etc...) Required • A Bachelor's degree and 9... 
    Senior

    SHLD, Inc.

    Herndon, VA
    10 days ago
  •  ...Senior Information Systems Security Engineer (ISSE) TS/SCI CI Poly The Senior Information Systems Security Engineer provides...  ...to the customer in the area of Cyber Security. Daily tasks include,...  ...of projects' security requirements Participates in network design... 
    Senior

    TENICA

    Chantilly, Loudoun County, VA
    3 days ago
  • Senior Program Control Analyst – TS/SCI Clearance w/CI Poly Required Location Chantilly, VA Job Description Leffler Consulting is seeking a Senior Program Control Analyst to join our team in Chantilly. The position focuses on the resource planning, analysis, and execution... 
    Senior
    For contractors
    Work at office

    Leffler Consulting, LLC

    Chantilly, Loudoun County, VA
    a month ago
  • $10k

     ...Job Description Job Description Active TS/SCI w/ CI Poly required. On-site position. Must have Sec+ or better. Required Education...  ...Certifications Demonstrated expertise as a senior ServiceNow engineer delivering similar scope projects Understanding of... 
    Senior
    Contract work
    Temporary work
    Immediate start
    Flexible hours

    A&M Technologies, Inc.

    Sterling, VA
    8 days ago
  • $10k

     ...Active TS/SCI w/ CI Poly required. On-site position. Must have Sec+ or better. Contingent upon contract. Two (2) engineers needed. Required Education, Experience, & Skills : We are...  ...technical presentations for government and senior leadership  Work effectively in a... 
    Senior
    Full time
    Contract work
    Temporary work
    Immediate start
    Flexible hours

    A&M Technologies, Inc.

    Sterling, VA
    4 hours ago
  •  ...Job Description Job Description TITLE: Senior Systems Engineer (IBM ELM) LOCATION: Sterling, VA CLEARANCE REQUIRED: Active TS/SCI with CI Poly EMPLOYMENT TYPE: Full-time, Onsite POSITION SUMMARY Modern Government Solutions (MGS) is seeking a Senior... 
    Senior
    Full time

    Modern Government Solutions

    Sterling, VA
    6 days ago
  • $10k

     ...Active TS/SCI w/ CI Poly required. On-site position. Must have Sec+ or better. Required Education, Experience, & Skills : We are actively...  ...Linux cloud environments Ability to demonstrate solid engineering rigor Expert troubleshooting and solutioning skills,... 
    Senior
    Full time
    Contract work
    Temporary work
    Immediate start
    Flexible hours

    A&M Technologies, Inc.

    Sterling, VA
    4 hours ago
  •  ...Information Systems Security Engineer TS/SCI CI Poly The Information Systems...  ...customer in the area of Cyber Security. Daily tasks include...  ...identification of projects' security requirement Participate in network...  ...Experience briefing senior customer personnel... 

    TENICA

    Chantilly, Loudoun County, VA
    2 days ago
  • $10k

     ...Active TS/SCI w/ CI Poly required. On-site position. Must have Sec+ or better. Required Education, Experience, & Skills : We are actively...  ...Deployment (CI/CD) Ability to demonstrate solid engineering rigor Expert troubleshooting and solutioning skills... 
    Senior
    Contract work
    Temporary work
    Immediate start
    Flexible hours

    A&M Technologies, Inc.

    Sterling, VA
    4 hours ago
  • $10k

     ...Active TS/SCI w/ CI Poly required. On-site position. Must have Sec+ or better. Required Education, Experience, & Skills : We are actively...  ...Deployment (CI/CD) Ability to demonstrate solid engineering rigor Expert troubleshooting and solutioning skills... 
    Senior
    Contract work
    Temporary work
    Immediate start
    Flexible hours

    A&M Technologies, Inc.

    Sterling, VA
    4 hours ago
  • $152k - $187k

     ...networks against the most complex cyber threats imaginable for more...  ...mission. Job Title: Senior Principal Oracle Database Administrator...  ...active (currently in use) – TS/SCI with CI Polygraph A bachelor’s...  ...II (2) or higher. (These are required only for DoD professional... 
    Senior
    Permanent employment
    For contractors
    Work experience placement
    For subcontractor
    Local area
    Flexible hours

    Everfox

    Herndon, VA
    more than 2 months ago
  • $10k

     ...Active TS/SCI w/ CI Poly required. On-site position. Must have Sec+ or better. Contingent upon contract. Required Education, Experience,...  ...requirements (Security+ CE Certification) •    Experience engineering, implementing, and maintaining geographically dispersed unclassified... 
    Senior
    Full time
    Contract work
    Temporary work
    Immediate start
    Flexible hours

    A&M Technologies, Inc.

    Sterling, VA
    4 hours ago
  • $131k - $271.6k

     ...SAP NS2 Senior Cloud Security Engineer-TS/SCI + poly Onsite - Chantilly, VA Must be a U.S. Citizen with active TS...  ...time position, and due to security requirements it is on‑site only. Skills/...  ...required. Ideally in Computer Science, Cyber Security, Information Security, Engineering... 
    Senior
    Full time

    SAP SE

    Herndon, VA
    1 day ago
  •  ...Job Description Job Description Cyber Systems Engineer TS/SCI CI Poly Department: Government...  ...Ensures products and systems comply with requirements and government information assurance...  ...recommendations, and findings for senior US government intelligence and operations... 

    Tenica and Associates LLC

    Chantilly, Loudoun County, VA
    15 days ago
  •  ...Job Description Job Description TITLE: Principal Systems Engineer (API Gateway) LOCATION: Sterling, VA CLEARANCE REQUIRED: Active TS/SCI with CI Poly EMPLOYMENT TYPE: Full-time, Onsite POSITION SUMMARY Modern Government Solutions (MGS) is seeking... 
    Full time

    Modern Government Solutions

    Sterling, VA
    6 days ago
  •  ...career is a priority, and your future is our shared goal. Required Skills: Minimum of 10+ years of experience in Linux system...  ...and performance optimization in large-scale systems TS/SCI + CI Poly ___________________________________________________________... 
    Senior
    Temporary work
    Local area
    Immediate start

    Vibrint

    Reston, VA
    26 days ago
  •  ...Description *****MUST HAVE AN ACTIVE TS/SCI WITH CI POLY CLEARANCE****** Software Engineer IV We are looking for a...  ...containerized environment. For Senior Principal level: A Bachelor's...  ...considered in lieu of a degree requirement For Staff level: A Bachelor's... 
    Senior
    Work at office

    SHLD, Inc.

    Herndon, VA
    19 days ago
  •  ...*MUST HAVE AN ACTIVE TS/SCI WITH ABILITY TO OBTAIN TO PASS A POLY CLEARANCE****** Software Engineer IV Our client's...  ...testing frameworks. For Senior Principal level: A...  ...in lieu of a degree requirement For Staff level: A...  ...systems testing P/W Shld, Inc. is an Equal... 
    Senior
    Work at office

    SHLD, Inc.

    Herndon, VA
    19 days ago
  • $206k

     ...Sr. Splunk Engineer - TS/SCI with CI Poly Full Time • Chantilly, VA We are seeking a highly skilled Sr. Splunk Engineer to join a cybersecurity...  ...custom Splunk reports, dashboards, and content per customer requirements. Troubleshoot Splunk instances and execute all tasks... 
    Senior
    Full time
    Work experience placement
    Remote work
    Work from home

    MISSION BOX SOLUTIONS INC

    Chantilly, Loudoun County, VA
    1 day ago
  •  ...Job Description Job Description Senior Contract / Acquisition Support – TS/SCI CI Poly Department: Government Customer – NRO Location: Chantilly, VA ACTIVE TS/SCI CLEARANCE WITH CI POLY REQUIRED TO BE CONSIDERED FOR THIS POSITION Position Overview:... 
    Senior
    Contract work

    Tenica and Associates LLC

    Chantilly, Loudoun County, VA
    15 days ago
  •  ...Senior Budget Analyst - TS/SCI CI Poly Support Government leadership by providing advanced financial management and advisory services. Lead budget...  ...alignment with mission objectives and compliance requirements. Responsibilities: Lead budget formulation, justification... 
    Senior
    For contractors

    Tenica

    Chantilly, Loudoun County, VA
    3 days ago
  •  ...Description Job Description Cyber Splunk Systems Engineer Department: Govt...  .... Must have active TS/SCI with CI poly. Position Description...  ...developers to ensure Splunk requirements are understood and being...  ...recommendations, and findings for senior US government... 
    Contract work
    For contractors

    Tenica and Associates LLC

    Chantilly, Loudoun County, VA
    15 days ago
  •  ...Technologies, Inc. has an opening for a  Senior Network Tool Engineer  to support the Intelligence Sector...  ..., and operations teams to define requirements and ensure seamless integration of...  ...processes.  Requirements TS SCI CI Poly Candidate must have 16 years of... 
    Senior

    A&M Technologies, Inc.

    Chantilly, Loudoun County, VA
    11 days ago
  •  ...Job Description Job Description Salary: 100-150k TS/SCI w POLY Required **About the Role:** Join our team as a Security Product Reverse Engineer to analyze and audit security products, focusing on vulnerability research and code exploitation. This role involves... 

    Falls Technology

    McLean, VA
    8 days ago
  •  ...Job Description Job Description Data Scientist, Senior - TS/SCI CI poly Department : Govt Customer-Chantilly Location : Chantilly...  ...with a BA/BS degree (or 6 years with a MA/MS degree.) Required skills and experience include programming and script development... 
    Senior
    Remote work

    Tenica and Associates LLC

    Chantilly, Loudoun County, VA
    15 days ago
  •  ...Description A&M Technologies Inc. has an opening for a  Senior Network/Systems Tools Engineer  to support the Intelligence Sector. The job...  ...efficiency and reduce manual workload. Requirements TS SCI CI Poly Candidate must have 16 years of experience that... 
    Senior

    A&M Technologies, Inc.

    Chantilly, Loudoun County, VA
    11 days ago
  • $131k - $271.6k

     ...you to grow and succeed.    SAP NS2 Senior Cloud Security Engineer-TS/SCI + poly Onsite - Chantilly, VA  Active TS SCI with Polygraph Required  NS2 COMPANY DESCRIPTION SAP is...  ...required. Ideally in Computer Science, Cyber Security, Information Security, Engineering... 
    Senior
    Permanent employment
    Full time
    Worldwide
    Flexible hours

    SAP

    Herndon, VA
    26 days ago
  •  ...future is our shared goal. Required Skills: Minimum of 5+...  ...in DevSecOps. Linux system engineering, and automation within enterprise...  .... Experience managing CI/CD pipelines and version control...  ...skills, and an active TS/SCI clearance with CI Polygraph... 
    Senior
    Temporary work
    Local area
    Immediate start

    Vibrint

    Reston, VA
    5 days ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to Senior Cyber Engineer (TS/SCI w/CI Poly Required). Be the first to apply!