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Apex Systems, Inc.
Lead Security Engineer
Apex Systems, Inc.
Job#: 2077304 Job Description: Apex Systems is seeking a Lead Security Engineer to support the Department of Transportation in Washington DC. If interested, email [email protected] your resume....
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Lead Security Engineer
Washington, DC
Jun 19, 2025
Contract

Job#: 2077304

Job Description:

Apex Systems is seeking a Lead Security Engineer to support the Department of Transportation in Washington DC. If interested, email [email protected] your resume.


Position: Lead Security Engineer

Location: 1200 New Jersey Ave SE Washington DC USA 20590 3x onsite, 2x remote

Hours: Regular business hours

Compensation: $120k-$128k

Job Type: Contract to hire

Clearance: Must obtain DOT public trust clearance


The Lead Security Engineer will assist the Department of Transportation’s Cybersecurity mission by supporting the implementation of IPv6 networking capabilities by joining a dedicated team of cybersecurity professionals who collaborate, cooperate, and facilitate maintaining and enhancing the security posture of DOT information systems and underlying infrastructure. These information systems and their supporting infrastructure support the DOT mission of managing and maintaining United States critical infrastructure (i.e. highways, bridges, roads, airports, etc.).


Top Qualifications, Skills, Experience or Certifications:

- Bachelors degree in Computer Science, Information Security, or a related field. A masters degree is a plus

- Certified Information Systems Security Professional (CISSP), Certified IPv6 Security Expert (CISE), or equivalent certifications preferred.

- Proficiency in network security tools and technologies, such as intrusion detection/prevention systems, firewalls, and SIEM solutions.

- Excellent communication and interpersonal skills to collaborate with team members and convey complex security concepts to non-technical stakeholders.

- In-depth knowledge of relevant federal and/or regulatory requirements and security standards (NIST, DHS/CISA, etc.).

- 9 years of related experience


Job Role Specific Requirements:

- Engage with Federal Leadership and counterparts to support designing, implementing, and maintaining secure IPv6 network architectures, including firewalls and network segmentation;

- Engage with network, system and application/software administrators/engineers to troubleshoot issues associated with IPv6 security related technologies

- Support regular assessments to identify potential vulnerabilities in IPv6 networks, services, and applications and develop strategies to mitigate these risk

- Support IPv6 related security incidents

- Support development and enforcement of IPv6-specific security policies, standards, and procedures to ensure compliance with industry best practices and regulatory requirement

- Maintain detailed documentation of IPv6 network security configurations, incident reports, and security procedures

- Work IPv6 cybers related security operations ITSM (ServiceNow) assigned tickets to completion

- Participate in relevant CyberSecurity and Security Operations (SecOps) meetings

- Collaborate on and provide feedback on cybersecurity solutions that enhance DOT security posture with a focus on IPv6


Preferred Skills and Qualifications

- In-depth knowledge of networked environments and topologies, both IPv4 and IPv6, and the communication protocols implemented

- A comprehensive understanding of cybersecurity best practices and industry standards for implementing IPv6 securely

- Hands on experience with firewalls, routers, switches, proxies, cloud-based systems, operating systems, databases, networking, Data Loss Prevention, Endpoint Security Software, Network Intrusion Detection and Prevention Systems (IDS/IPS) and host-based IDS and IPS and general cyber security best practices and industry standards



EEO Employer

Apex Systems is an equal opportunity employer. We do not discriminate or allow discrimination on the basis of race, color, religion, creed, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), age, sexual orientation, gender identity, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, disability, status as a crime victim, protected veteran status, political affiliation, union membership, or any other characteristic protected by law. Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law. If you have visited our website in search of information on employment opportunities or to apply for a position, and you require an accommodation in using our website for a search or application, please contact our Employee Services Department at [email protected] or 844-463-6178.

EEO Employer

Apex Systems is an equal opportunity employer. We do not discriminate or allow discrimination on the basis of race, color, religion, creed, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), age, sexual orientation, gender identity, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, disability, status as a crime victim, protected veteran status, political affiliation, union membership, or any other characteristic protected by law. Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law. If you have visited our website in search of information on employment opportunities or to apply for a position, and you require an accommodation in using our website for a search or application, please contact our Employee Services Department at [email protected] or 844-463-6178.

Apex Systems is a world-class IT services company that serves thousands of clients across the globe. When you join Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package. Our commitment to excellence is reflected in many awards, including ClearlyRated's Best of Staffing® in Talent Satisfaction in the United States and Great Place to Work® in the United Kingdom and Mexico.

Apex Benefits Overview: Apex offers a range of supplemental benefits, including medical, dental, vision, life, disability, and other insurance plans that offer an optional layer of financial protection. We offer an ESPP (employee stock purchase program) and a 401K program which allows you to contribute typically within 30 days of starting, with a company match after 12 months of tenure. Apex also offers a HSA (Health Savings Account on the HDHP plan), a SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions, a corporate discount savings program and other discounts. In terms of professional development, Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6+ months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. Apex has a dedicated customer service team for our Consultants that can address questions around benefits and other resources, as well as a certified Career Coach. You can access a full list of our benefits, programs, support teams and resources within our ‘Welcome Packet’ as well, which an Apex team member can provide.

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Lead Security Engineer
Apex Systems, Inc.
Washington, DC
Jun 19, 2025
Contract
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