Security Engineer - Vulnerability Manager

Washington, District of Columbia, US$110k – $119kPosted 2 days ago

Role Overview

Aptonet is hiring a entry-level Security Engineer - Vulnerability Manager. This is a contract role in Washington. Part of Aptonet's Risk hiring, posted 2 days ago. The posted range is $110k to $119k. Full responsibilities, required qualifications, and the apply link are listed in the description below.

Salary Context

This role offers $110k-$119k. The median for Junior-level Risk roles is $85k-$107k (based on 56 listings). 19% above median.

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RORRisk ManagementComplianceTypeOnsiteLocationJersey

Job description

osition Type: Onsite

Location: 1200 New Jersey Avenue, Washington, DC 20590, USA (DOT Headquarters)

Work Authorization: U.S. Citizen or Green Card Holder with a minimum of 3 years U.S. residency

Security Clearance: Public Trust (required prior to start)

Duration: 07/06/2026 – 08/24/2026

Potential for Conversion: Yes

Schedule: 8 hours/day, 40 hours/week

Program: DOT

Prime Contractor: SAIC

Role Summar

yThe Security Engineer – Vulnerability Management will support the Department of Transportation's cybersecurity mission by identifying, assessing, tracking, and coordinating remediation of vulnerabilities across enterprise systems and infrastructure. This role works closely with federal leadership, system administrators, and cybersecurity teams to improve DOT's overall security posture and ensure compliance with federal cybersecurity standards and frameworks

Key Responsibiliti

esPerform endpoint vulnerability management activities across DOT enterprise environment
s.Utilize vulnerability scanning platforms, specifically Tenable Nessus, to identify and assess security risk
s.Coordinate remediation activities with system owners, application teams, and infrastructure administrators to meet required remediation timeline
s.Develop and maintain vulnerability tracking, reporting, and metrics dashboard
s.Present vulnerability trends, remediation status, and cyber risk findings to federal leadership and stakeholder
s.Troubleshoot issues related to endpoint vulnerability scanning and reportin
g.Manage cybersecurity-related ITSM tickets within ServiceNow through resolutio
n.Participate in Cybersecurity and Security Operations (SecOps) meetings and initiative
s.Collaborate with cross-functional teams to improve DOT cybersecurity solutions and processe
s.Provide guidance and education regarding vulnerability management concepts to technical and non-technical stakeholder

Required Technical Ski

llsMinimum of 6 years of experience in Cybersecurity or related Information Technology fiel
ds.Experience with endpoint vulnerability scanning solutions, specifically Tenable Ness
us.Strong experience
in:Vulnerability management lifecy
cleRisk assessment and mitigat
ionRemediation planning and execut
ionExperience with federal cybersecurity requirements and standards includi
ng:FI
SMANIST 800 Ser
iesNIST Risk Management Framework (R
MF)NIST Cybersecurity Framework (C
SF)Experience using ITSM platforms such as ServiceN
ow.Knowledge
of:Operating syst
emsDataba
sesNetwork
ingFirewa
llsCloud-based syst
emsData Loss Prevention (D
LP)Endpoint Security soluti
onsIDS/IPS technolog
iesHost-based security technolog
iesAbility to develop vulnerability reports, dashboards, and risk metri
cs.Strong collaboration and communication skills across technical and business tea

ms.

Preferred / Nice-to-Have Sk

illsSecurity certifications such
as:Secur
ity+C
ISSP
CISM
CISA
GCIH
OSC
PCEHExperience supporting federal agencies and government cybersecurity progr
ams.Experience presenting cybersecurity findings to executive leaders
hip.Familiarity with cloud security practices and hybrid infrastructure environme

nts.

Qualifications & Exper

ienceBachelor's degree with 5+ years of cybersecurity experienc
e; orMaster's degree with 4+ years of cybersecurity experienc
e; orEquivalent combination of education and experience totaling at least 6 years in cybersecurity or related IT discipl
ines.Candidate must be eligible to obtain and maintain a Public Trust clearance prior to star
ting.Candidate must be a U.S. Citizen or Green Card Holder who has resided in the United States for at least three y

ears.

About the Team / C

ompanyThis position supports the Department of Transportation's cybersecurity mission focused on protecting information systems that support critical national infrastructure including highways, bridges, roads, and transportation sy

stems.

About Aptonet

Aptonet

aptonet.com

RiskOn-site

All open roles at Aptonet Visit website

Frequently Asked Questions

How do I apply for the Security Engineer - Vulnerability Manager position at Aptonet?

Use the Apply button above to submit your application directly to Aptonet. Most applications take less than 5 minutes if your resume and contact details are ready, and you'll be routed to the employer's official application system to finish.

Where is the Security Engineer - Vulnerability Manager position at Aptonet located?

This position is based in Washington. Aptonet has not indicated remote or hybrid options for this role, so candidates should plan for on-site work.

How much does the Security Engineer - Vulnerability Manager role at Aptonet pay?

Aptonet has posted a compensation range of $110k to $119k for this position. Final offers typically vary based on candidate experience, location, and internal salary bands.

When was the Security Engineer - Vulnerability Manager role at Aptonet posted?

This role was posted on July 10, 2026 (2 days ago). It's still listed as actively hiring; we re-confirm openings against the source system multiple times per day and remove closed roles.

Is the Security Engineer - Vulnerability Manager role at Aptonet entry-level?

Yes. This is an entry-level position. Strong candidates typically have 0-2 years of relevant work experience, internships, or significant project work. Read the full description for any specific qualification requirements Aptonet has listed.