Apex Systems, Inc.
Senior Firewall Engineer
Beltsville, MD
Mar 11, 2025
Contract
Full Job Description

Job#: 2036709

Job Description:

Description
This is a senior firewall position within the Vanguard Contract, providing general engineering support to multiple firewall and perimeter security systems and devices. The well qualified candidate will possess and apply comprehensive knowledge regarding perimeter security devices. The candidate must be capable of planning and leading the testing, implementation, and maintenance of perimeter security technologies and devices. The candidate must be capable of evaluating performance results, performing risk assessments, and recommending changes affecting perimeter security configuration/implementations. The position directly supports DoS on-site to provide perimeter security protection to over 80,000 customers globally.
Responsibilities:
  • Build, design, test and deploy perimeter security systems.
  • Directs compilation of records and reports concerning perimeter operations and maintenance to analyze the performance of perimeter security systems.
  • Provides input to the problem management process, including assessing and evaluating software and hardware anomalies. Supports the root cause analysis efforts to determine problems and develop remediation activities. Interfaces with vendor support service groups to ensure proper support during outages or periods of degraded system performance.
  • Manages the transition to operations of perimeter security devices for 24x7 O&M.
  • Collaborate with Cross-Bureaus and Agencies to implement network changes as it relates to perimeter security.
  • Supports the configuration and testing of replacement perimeter devices.
  • Plans, documents, and implements hardware and software build and refresh cycles.
  • Create and Maintain standard operating procedures and guides for new and/or existing perimeter hardware and software.
  • Attend weekly teleconferences, onsite meetings, and participates in working groups, as related to constant changing security environment.
Qualifications
Required Education, Experience, & Skills:
  • Bachelor degree in a computer science/computer engineering related discipline and 8 years of related experience; masters and 6 years of experience; may accept additional experience in lieu of degree.
  • 8+ years IT network engineering support experience (Tier II, Tier III, network infrastructure implementation and maintenance).
  • Expert experience in one or more of the following security devices: Palo Alto firewalls, Panorama management console, Forcepoint Firewalls, Fortinet Fortigate NGFW, A10 Encrypted Traffic Inspection/Application Delivery, and Cisco ESA & Firepower firewalls, ProofPoint Email Security, Juniper Firewalls.
  • Experience developing and configuring SSL encryption/decryption solutions for traffic inspection.
  • Experience supporting the configuration and maintenance of Firewall/DMZ infrastructure including Network and Application Firewall Packet Filtering technologies.
  • Firsthand experience in developing and providing quality assurance review of engineering change orders relating to the replacement or enhancement of perimeter security hardware and software.
  • Experienced with performing root cause analysis, risk identification, and risk mitigation.
  • Knowledgeable with configuring Cisco switches.
  • Experienced with network monitoring devices such as HP Openview, NeuralStar or other similar monitoring tools.
  • Experience with Red Hat Linux/CentOS and Ubuntu including administration scripting is a plus.
Required Clearance:
  • US Citizenship.
  • Ability to obtain a Top Secret clearance.
Desired Education/Skills:
  • ITIL ® Foundation certification.
  • Certifications: Palo Alto Networks Certified Network Security Engineer (PCNSE), A10 Certification/Accreditation, StoneGate Firewall/VPN Architect Certification, StoneGate Management Client (SMC) Certification, Microsoft Certified Professional (MCP), Network+, Security+, Fortinet NSE.
  • Familiarity with DoS environment (data and voice networks, IT security systems, policies and procedures), Foreign Affairs Handbooks (FAHs), Foreign Affairs Manuals (FAMs).
  • Interpersonal skills including the ability to collaborate effectively, self-awareness, and excellent written and oral communications.

#Clearance

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.

PDN-9e684ece-2eba-4cf7-8e2a-dc8a0a87dcac
Job Information
Job Category:
Engineering
Spotlight Employer
Related jobs
Consumers Energy
Consumers Energy is Michigan's largest energy provider, providing natural gas and/or electricity to 6.8 million of the state's 10 million residents in all 68 Lower Peninsula counties. Consumers Energy...
Mar 20, 2025
JACKSON, MI
Consumers Energy
Sr Mgr IAM Engineering
Consumers Energy
Consumers Energy is Michigan's largest energy provider, providing natural gas and/or electricity to 6.8 million of the state's 10 million residents in all 68 Lower Peninsula counties. Consumers Energy...
Mar 20, 2025
JACKSON, MI
Massachusetts Bay Transportation Authority (MBTA)
Auditor
Massachusetts Bay Transportation Authority (MBTA)
At the MBTA, we envision a thriving region enabled by a best-in-class transit system. Our mission is to serve the public by providing safe, reliable, and accessible transportation. MBTA’s co...
Mar 20, 2025
Boston, MA
©2025 TalentAlly.
Powered by TalentAlly.
Apply for this job
Senior Firewall Engineer
Apex Systems, Inc.
Beltsville, MD
Mar 11, 2025
Contract
Your Information
First Name *
Last Name *
Email Address *
This email belongs to another account. Please use a diferent email address or Sign In.
Zip Code *
Password *
Confirm Password *
Create your Profile from your Resume
By clicking the Apply button, you agree to the terms of use and privacy policy and consent to receive emails from us about job opportunities, career resources, and other relevant updates. You can unsubscribe at any time.
Continue to Apply

Apex Systems, Inc. would like you to finish the application on their website.

Ace your interview with
AI-powered interview practice

Get comfortable talking to hiring managers, receive personalized feedback on areas for improvement, sharpen your ability to answer the most common questions, and build confidence in formulating strong responses on the spot. Click the button below to begin your three free virtual interviews!